Measuring And Testing Patents (Class 73)
- Gas or liquid analyzer (Class 73/1.02)
- Dynamometer (Class 73/1.08)
- Volume of flow, speed of flow, volume rate of flow, or mass rate of flow (Class 73/1.16)
- Speed, velocity, or acceleration (Class 73/1.37)
- Timing apparatus (e.g., fuse, camera, or shutter) (Class 73/1.42)
- Fluid pressure (Class 73/1.57)
- Liquid level or volume measuring apparatus (Class 73/1.73)
- Angle, direction, or inclination (Class 73/1.75)
- Displacement, motion, distance, or position (Class 73/1.79)
- Apparatus for measuring by use of vibration or apparatus for measuring vibration (e.g., acoustic or ultrasonic) (Class 73/1.82)
- Centrifuge (Class 73/1.87)
- Span or set point adjustment (e.g., zero correction) (Class 73/1.88)
- Roughness or hardness (Class 73/1.89)
- Resilient ball (e.g., golf ball, baseball, etc.) (Class 73/12.02)
- Typewriting ribbon or carbon paper (Class 73/12.03)
- Accelerated or decelerated specimen (e.g., propelled or dropped specimen support carriage) (Class 73/12.04)
- Specimen directly subjected to a fluid pressure pulse or wave (Class 73/12.08)
- Specimen impactor detail (Class 73/12.09)
- By gas chromatography (Class 73/19.02)
- By vibration (Class 73/19.03)
- By rate of flow of the gas (Class 73/19.04)
- By pressure of the gas (Class 73/19.05)
- Of metal (Class 73/19.07)
- Of concrete, mortar, or plastic while in a fluent state (Class 73/19.08)
- Of mud (Class 73/19.09)
- Of a liquid (Class 73/19.1)
- Particular separator (Class 73/19.12)
- With compensation detail (for error or drift correction, etc.) (Class 73/23.21)
- Breath analysis (Class 73/23.3)
- Gas of combustion (Class 73/23.31)
- Odor (Class 73/23.34)
- Gas chromatography (Class 73/23.35)
- By vibration (Class 73/24.01)
- By thermal property (Class 73/25.01)
- Solid content of gas (Class 73/28.01)
- Moisture content or vapor pressure (Class 73/29.01)
- Density or specific gravity (Class 73/30.01)
- Ambient air (Class 73/31.01)
- Impurity (Class 73/31.03)
- Pressure (Class 73/31.04)
- Detector detail (Class 73/31.05)
- Particular separator (Class 73/31.07)
- With weighing feature (Class 73/433)
- Hydrostatic pressure type (Class 73/438)
- Multiple floats of graduated density (Class 73/440)
- Portable hand manipulable syringe type (Class 73/441)
- Freely vertical reciprocable float with carried indicium (Class 73/444)
- Float operated indicator (Class 73/451)
- Involving vibration of substance or the measuring apparatus (Class 73/32A)
- Fuel rating (e.g., octane rating) (Class 73/35.02)
- Combustion signal compared to reference signal varied by a condition of the engine (Class 73/35.03)
- Combustion signal compared to a fixed reference signal or utilizing a threshold value (Class 73/35.06)
- Specific type of detonation sensor (Class 73/35.07)
- Dimension, shape, or size (Class 73/37.5)
- Porosity or permeability (Class 73/38)
- Fluid pressure brake system or unit (Class 73/39)
- Leakage (Class 73/40)
- With ram pressure inducer (Class 73/49.4)
- Pipe (Class 73/49.5)
- Motor part or auxiliary (Class 73/49.7)
- Clamp, plug, or sealing feature (Class 73/49.8)
- Butter fat content (Class 73/53.02)
- Paper or wood suspension (e.g., paper or wood pulp) (Class 73/53.03)
- Lubricant testing (Class 73/53.05)
- Viscosity (Class 73/54.01)
- Cleaning or foaming ability (Class 73/60.11)
- Content or effect of a constituent of a liquid mixture (Class 73/61.41)
- Gelling or coagulation (Class 73/64.41)
- Vapor-liquid ratio (Class 73/64.44)
- Vapor pressure (Class 73/64.45)
- Osmotic pressure (e.g., diffusion characteristic) (Class 73/64.47)
- Surface tension (Class 73/64.48)
- By vibration (Class 73/64.53)
- Molecular weight (Class 73/64.54)
- Interface (Class 73/64.55)
- Sampler, constituent separation, sample handling, or sample preparation (Class 73/64.56)
- Propeller, impeller, or fluid coupling (Class 73/455)
- In situ (Class 73/457)
- Combined static and dynamic (Class 73/459)
- Dynamic (spinning) (Class 73/460)
- Gravitational moment turns rotor about spin axis (Class 73/480)
- Gravitational moment tilts rotor about axis transverse to spin axis (Class 73/482)
- Tool and adjunct (Class 73/487)
- Acoustic levitation (Class 73/570.5)
- Test chamber (Class 73/571)
- Loose object detection (Class 73/572)
- Hardness or compliance (Class 73/573)
- Mechanical impedance (Class 73/574)
- Fatigue study (Class 73/577)
- Resonance, frequency, or amplitude study (Class 73/579)
- By mechanical waves (Class 73/584)
- Sensing apparatus (Class 73/649)
- Vibrator (Class 73/662)
- Threaded fastener stress (Class 73/761)
- Indicating coating or sheet providing direct visual indication (e.g., cracking, color change) (Class 73/762)
- Specified electrical sensor or system (Class 73/763)
- Specified load or strain transmission device from specimen to electrical detector (Class 73/781)
- Deformation or change in stress after fracture, cutting, or boring (Class 73/783)
- Earth stresses (Class 73/784)
- Prestressed specimen (Class 73/785)
- In static structures (e.g., buildings, bridges) (Class 73/786)
- Stress or strain history of a specimen without application of a load (Class 73/787)
- By loading of specimen (e.g., strength of material test) (Class 73/788)
- Support, holder, or housing for unspecified type electrical sensing element (Class 73/855)
- Specimen clamp, holder, or support (Class 73/856)
- Irregular combustion (e.g., misfire) (Class 73/114.02)
- Power output (Class 73/114.13)
- Compression (i.e., cylinder pressure) (Class 73/114.16)
- Engine acceleration (Class 73/114.24)
- Engine speed (Class 73/114.25)
- Relative rotational position (Class 73/114.26)
- Monitoring intake air system (e.g., air filter) (Class 73/114.31)
- Fuel system or part thereof (Class 73/114.38)
- Fuel consumption (Class 73/114.52)
- Lubricant condition (Class 73/114.55)
- Lubrication system (Class 73/114.56)
- Electrical system (Class 73/114.58)
- Cooling system (Class 73/114.68)
- Exhaust system (Class 73/114.69)
- Testing of an individual engine part (Class 73/114.77)
- Formation logging (e.g., borehole studies of pressure derivatives or of pressure-temperature derivatives) (Class 73/152.02)
- Fluid flow measuring or fluid analysis (Class 73/152.18)
- During drilling (Class 73/152.43)
- Pressure measurement (Class 73/152.51)
- Downhole test (Class 73/152.54)
- Pump test (Class 73/152.61)
- Precipitation (e.g., rain gauge) (Class 73/170.17)
- Electric disturbance (e.g., lightning) (Class 73/170.24)
- Micrometeorite (Class 73/170.25)
- Icing condition (e.g., accretion) (Class 73/170.26)
- Naturally occurring radiation (e.g., solar radiation) (Class 73/170.27)
- Using unmanned, self-controlled airborne instrumentation carrier (e.g., radiosonde) (Class 73/170.28)
- With indirect temperature or density compensation (Class 73/861.01)
- Of selected fluid mixture component (Class 73/861.04)
- By measuring transit time of tracer or tag (Class 73/861.05)
- By measuring tracer concentration (Class 73/861.07)
- By measuring electrical or magnetic properties (Class 73/861.08)
- By measuring vibrations or acoustic energy (Class 73/861.18)
- By measuring swirl rate imparted by static means (Class 73/861.32)
- Mass flow by imparting angular or transverse momentum to the fluid (Class 73/861.351)
- Using an applied fluid jet (Class 73/861.39)
- By counting drops, bubbles, or particles (Class 73/861.41)
- System (Class 73/195)
- Combined (Class 73/198)
- Proportional (Class 73/202)
- Thermal type (Class 73/204.11)
- Using differential pressure (Class 73/861.42)
- Weir type (Class 73/215)
- Tank type
- Area-velocity integrating (Class 73/227)
- By measuring thrust or drag forces (Class 73/861.71)
- Using rotating member with particular electrical output or circuit (Class 73/861.77)
- Using turbine (Class 73/861.79)
- Expansible chamber (Class 73/232)
- Element (Class 73/272R)
- With other measuring device (Class 73/291)
- With illumination (Class 73/293)
- With funnel or hose nozzle (Class 73/294)
- Thermal type (Class 73/295)
- Weighing type (Class 73/296)
- Test cock type (Class 73/297)
- Exploring tube (Class 73/298)
- Hydrostatic pressure type (Class 73/299)
- Immersible electrode type (Class 73/304R)
- Float (Class 73/305)
- Sight glass (Class 73/323)
- Ullage volume (Class 73/290B)
- Vibratory type (Class 73/290V)
- Recording or registering interrelated factors (Class 73/489)
- With distance registering means (Class 73/490)
- With means for retaining reading (Class 73/491)
- Structural installation or mounting means (Class 73/493)
- Indicating diverse conditions (Class 73/495)
- Vibration control or antistick means for reading structure (Class 73/496)
- Temperature compensator (Class 73/497)
- Adjusting means for reading structure (Class 73/498)
- Illuminated reading device (Class 73/499)
- Liquid surface is or moves reading means (Class 73/500)
- Externally connected pressure gauge gives reading (Class 73/502)
- Means integrating time and acceleration (Class 73/503)
- Angular rate using wave or beam motion (e.g., Sagnac type) (Class 73/504.01)
- Angular rate using gyroscopic or Coriolis effect (Class 73/504.02)
- Angular rate using a fluid vortex rate sensor (Class 73/504.17)
- With rotary gyroscope (Class 73/504.18)
- Means integrating intermittent speed source impulses (Class 73/506)
- Comparison to a fixed standard, master or reference speed device (Class 73/507)
- With governor drive failure responsive means (Class 73/508)
- With response to a nonspeed condition (Class 73/509)
- Response to multiple sensing means or motion conditions (Class 73/510)
- With manual control (Class 73/513)
- Acceleration determination utilizing inertial element (Class 73/514.01)
- Magnetic speed measuring or mechanical speed measuring with ancillary magnetic means or with ancillary electrical means (Class 73/514.39)
- Fluid (Class 73/521)
- With dampening or shock-absorbing means (Class 73/526)
- With input means (Class 73/527)
- With output transmitting mechanism (Class 73/530)
- Centrifugal weight type (Class 73/535)
- Null balance type (Class 73/701)
- Vibration type (Class 73/702)
- Photoelectric (Class 73/705)
- With protective separator (Class 73/706)
- With fluid pulsation dampener (Class 73/707)
- With pressure and/or temperature compensation (Class 73/708)
- With excess or maximum registering (Class 73/709)
- With steam trap (Class 73/710)
- With variable drive (Class 73/711)
- With recorder (Class 73/712)
- With float (Class 73/713)
- Combined (Class 73/714)
- Diaphragm (Class 73/715)
- Bourdon (Class 73/732)
- Piston (Class 73/744)
- U-tube liquid column (Class 73/747)
- Balance (Class 73/751)
- McLeod type (Class 73/752)
- Electrical (Class 73/753)
- Mounting and connection (Class 73/756)
- Automatic control (Class 73/863.01)
- With heating or cooling (Class 73/863.11)
- With constituent separation (Class 73/863.21)
- Plural parallel systems (Class 73/863.31)
- Flow divider, deflector, or interceptor (Class 73/863.41)
- Conduit or passageway section capture chamber (Class 73/863.71)
- Withdrawing through conduit or receptacle wall (Class 73/863.81)
- Conveyor coacting (Class 73/863.91)
- Capture device (Class 73/864)
- Analyzer supplier (Class 73/864.81)
- Sample holder (Class 73/864.91)
Cross-Reference Art Collections
Foreign Patent Art Collections
- With vehicle supporting roller or belt (73/117) (Class 73/FOR111)
- Utilizing a test chamber or tank to simulate operating conditions (73/117.1) (Class 73/FOR112)
- Disparate tests under operating conditions (73/117.2) (Class 73/FOR113)
- Thrust measurement (e.g., jet engine) (73/117.4) (Class 73/FOR115)
- Testing auxiliary unit (73/118.1) (Class 73/FOR116)
- Motor part (73/119) (Class 73/FOR118)