Patents for G01L 1 - Measuring force or stress, in general (22,371)
08/1979
08/28/1979US4165637 Force measuring device
08/28/1979CA1061140A1 Load monitoring system
08/22/1979EP0003685A2 Load indicating device
08/22/1979EP0003473A1 Mass and force meter
08/21/1979US4165402 Chip-removing machining method and apparatus for semiconducting crystals, specifically suited for the production of force and pressure measuring cells
08/08/1979EP0003222A2 Mass and force meter
08/07/1979US4163397 Optical strain gauge
08/07/1979US4163386 Mass and force meter
07/1979
07/31/1979US4162632 Load cell
07/31/1979US4162628 Load cell
07/31/1979US4162573 Assembly apparatus
07/24/1979CA1058906A1 Capacitance transducer load sensor
07/10/1979US4160377 Load cell
07/03/1979US4159641 Vibrating wire stress meter
06/1979
06/28/1979WO1979000377A1 Optical sensing apparatus and method
06/28/1979WO1979000369A1 Method and device for measuring or detecting a mechanical change of state or its time derivative
06/26/1979CA1057318A1 Roller-type axle weigher
06/12/1979US4158117 Pressure sensitive switch
06/05/1979US4157032 Electrically isolated strain gage assembly
06/05/1979CA1055726A1 Roller force load cell
05/1979
05/22/1979US4156192 Inductive displacement transducer using plural magnetic screens rotatable about different axis to modify an inductance proportional to the displacement
05/22/1979US4155265 Interface shear transducer
05/22/1979US4155264 Method of determining internal stresses in structural members
05/22/1979US4155263 Multiplexed strain gauge bridge
05/22/1979US4155251 Laser force-measuring system biasing
05/22/1979CA1055090A1 Slide bearing for measurement purposes
05/15/1979CA1054394A1 Mass and force meter
05/08/1979US4152929 Roof bolt tension determination
05/01/1979US4152748 Multiple transducer
04/1979
04/24/1979US4151502 Semiconductor transducer
04/24/1979CA1053028A1 Magneto-elastic transducer
04/17/1979US4149422 Vibratory-wire pressure sensor
04/10/1979US4148530 Cut angles for piezoelectric quartz crystal elements
04/10/1979US4148219 Strain gage load cell
04/10/1979US4148215 Apparatus for making rheological measurements
04/03/1979US4147224 Bathroom scales
03/1979
03/27/1979US4146864 Symmetrical, flat load cell
03/20/1979US4144877 Instrument for viscoelastic measurement
03/20/1979US4144747 Simultaneously resonated, multi-mode crystal force transducer
03/13/1979US4144516 Solid state transducer and method of making same
03/06/1979US4142774 Flexible optical transducer
03/06/1979US4142408 Apparatus for measuring axial thrust of a rotating machine shaft
03/06/1979US4142405 Strain gauge arrangements
03/06/1979US4142404 Of microencapsulated color developer and color former
02/1979
02/27/1979US4142175 Pressure sensing device and transducer arrangement
02/27/1979US4141253 Force transducing cantilever beam and pressure transducer incorporating it
02/13/1979US4138898 System for continuously monitoring compression and tension loads on force carrying member
02/13/1979US4138884 Multi-axis load cell
02/13/1979US4138882 Transducer bridge circuit arrangement
02/13/1979US4138783 Method for measuring stresses or forces
02/13/1979CA1048296A1 Measurement of the change in longitudinal force in a rail
01/1979
01/30/1979CA1047278A1 Mooring device
01/23/1979US4135392 Equipment mounting and monitoring system
01/23/1979CA1047055A1 Constant moment weigh scale with floating flexure beam
01/23/1979CA1046794A1 Mass and force meter
01/23/1979CA1046793A1 Load measuring gage
01/23/1979CA1046791A1 Unit type strain gauge
01/16/1979CA1046625A1 Semiconductor piezoresistive strain transducer
01/16/1979CA1046603A1 Load monitoring system with high and low load control
01/09/1979US4134063 Apparatus for the time-dependent measurement of physical quantities
01/02/1979US4132112 Pressure-measuring sheet
12/1978
12/19/1978USRE29867 Pressure sensitive diaphragms with stress null zone oriented bridge patterns
12/05/1978US4128762 Apparatus for measuring mechanical stress using white X-rays
12/05/1978US4128001 Parallel beam load cell insensitive to point of application of load
11/1978
11/28/1978US4127788 Piezoelectric stress indicator for mine roofs
11/28/1978CA1043318A1 Load-sensing vibration isolator
11/28/1978CA1043126A1 Method and device for dynamically measuring brake forces
11/21/1978US4126801 Moveable seat for crystal in an oscillating crystal transducer systems
11/21/1978US4126039 Projectile strain damage indicating device
11/14/1978US4125820 Stress sensor apparatus
11/14/1978US4125168 Load cells for flexure isolated electronic scale
11/07/1978CA1041790A1 Reusable nip measuring device and method
10/1978
10/31/1978US4123735 Induction-type meter for measuring mechanical quantities
10/24/1978CA1040885A1 Magnetoelastic transducer arrangement
10/17/1978US4121049 Position and force measuring system
10/17/1978US4120195 Method of using embedded normal stress sensors in propellant grains
10/10/1978US4119380 Method for determining stress-optical constants of optically isotropic and anisotropic materials
10/10/1978US4118977 Electric signal transmitter for vibrating-wire sensor
10/03/1978US4117719 Measuring friction bearings
09/1978
09/26/1978US4116075 Mechanical to electrical transducer
09/26/1978US4116050 Press load meter
09/19/1978USRE29765 Strain gauge transducer system
09/19/1978US4115174 Method of applying miniaturized high-temperature free-grid strain gauges
09/19/1978US4114429 Method of and apparatus for sensing strain in strained members
09/19/1978US4114428 Radio-frequency tuned-circuit microdisplacement transducer
09/19/1978CA1038644A1 Capacitive load cell
08/1978
08/29/1978CA1037282A1 Load measuring gage
08/22/1978US4107985 Load cell
08/22/1978US4107980 Assessment of flaw growth potential in structural components
08/15/1978US4107626 Digital output force sensor using surface acoustic waves
08/08/1978US4104910 Pressure measuring method
08/08/1978US4104906 Early crack detection with multi-pressure system
08/01/1978US4104605 Thin film strain gauge and method of fabrication
08/01/1978US4103545 Load cell
07/1978
07/25/1978US4102422 Device for measuring loads, especially transient loads
07/18/1978US4100666 Assembly method
07/11/1978US4100524 Electrical transducer and method of making
07/11/1978US4099411 Strain measurement
07/11/1978US4099407 Method for measuring the pre-stress in hoop-bound anuluses of rectangular cross-section and made of piezoelectric ceramic material
07/04/1978US4098114 Recording sheet