Patents for G01N 19 - Investigating materials by mechanical methods (7,267)
03/1979
03/27/1979US4145915 Early crack detection
03/20/1979US4144748 Device for determining coefficient of adhesion of pneumatic wheel tires of transport vehicles to road pavement
03/20/1979US4144740 Testing apparatus and method for measuring cutting, chipping and abrasion resistance
03/13/1979US4143543 Mechanical acceleration multiplier for microcircuit bond testing
03/13/1979CA1050648A1 Coefficient of frictional determining apparatus for railway vehicles
02/1979
02/27/1979CA1049448A1 Method and apparatus for detecting flaws in circular tablet
02/06/1979US4137761 Tilting table initial tack test apparatus for adhesive bonds
02/06/1979CA1047790A1 Structural defect testing of glass containers
01/1979
01/30/1979US4136550 Method of and device for checking hygrometers and hygrostats
01/23/1979US4135386 Porous material crack detection
01/23/1979CA1047156A1 Method and apparatus for the real-time, non-destructive evaluation of adhesion bonds using stress-wave emission techniques
01/16/1979US4134291 Process for determining the movement resistance characteristics of an automobile vehicle
01/09/1979US4133200 Apparatus for testing lubricants
12/1978
12/19/1978US4130008 Device for measuring friction and distance
11/1978
11/07/1978US4123847 Apparatus for measuring internal corrosion in pipelines
10/1978
10/31/1978US4123352 Apparatus for detecting flaws in circular tablet
10/17/1978US4120191 Quality control for fibrous mats
09/1978
09/19/1978US4114434 Device for measuring the adhesion forces in a closure seal for a container and a method of operating this device
09/12/1978CA1038242A1 Apparatus for non-destructive testing of metal blanks for surface defects
08/1978
08/29/1978US4110829 Apparatus for and method of determining rotational and linear stiffness
08/29/1978US4109514 Rheometer and uses thereof
08/01/1978US4103776 Inspection machine for fuel pellets
08/01/1978US4103541 Method of and a device for measuring a relaxation phenomenon
07/1978
07/04/1978US4098121 Humidity indicator
07/04/1978US4098111 Roadway friction measuring method and apparatus
06/1978
06/20/1978US4095465 Testing adhesion of cord or wire in rubber
06/20/1978US4095458 Hygrostat
06/13/1978US4094188 Apparatus for monitoring the application of a force to a solid body
04/1978
04/04/1978US4081989 Device for measuring the stress of tangential friction of a shoe on a surfacing for the ground
03/1978
03/28/1978US4080825 Glue bond tester
03/14/1978US4078417 Spring steel with electroless nickel plating
03/07/1978US4077254 Impact simulation apparatus
11/1977
11/01/1977US4055992 Beam lead testing apparatus
11/01/1977US4055985 Apparatus for testing the surface quality of a vessel mouth
10/1977
10/04/1977US4051713 Friction measuring and testing method and apparatus
09/1977
09/27/1977US4050307 Dial humidity indicator for containers
09/27/1977US4050290 Device for measuring friction between wheel and support
08/1977
08/23/1977US4043179 Non-destructive testing of bonding laminates
08/16/1977US4041806 Testing cord-to-elastomer adhesion
08/09/1977US4041379 Apparatus for testing metal blanks utilizing at least one inspecting head moved along the surface thereof
08/09/1977US4040790 Moisture and rust detector for hydraulic control systems
08/02/1977US4038863 Machine for testing and comparing bearings and bearing materials
07/1977
07/12/1977US4034602 Dynamic mechanical analyzer
05/1977
05/31/1977US4026141 Method of and apparatus for determining surface characteristics, such as coefficient of friction, of a moving strip of material
03/1977
03/08/1977US4010641 Apparatus for measuring the stiffness characteristic of structural adhesives
03/08/1977US4010640 Apparatus for measuring the stiffness characteristic of structural adhesives
01/1977
01/25/1977US4004456 Method and apparatus for the real-time, non-destructive evaluation of adhesion bonds using stress-wave emission techniques
01/18/1977US4003247 Torsional oscillation apparatus
01/18/1977US4003241 Accelerometer method of indicating rolling resistance of a vehicle
01/11/1977US4002905 Biodegradable nonionic surfactant and a dye
01/04/1977US4000656 Apparatus for designing and testing proper values of parameters relating to supporting hydrodynamically lubricated bearing journals
01/04/1977US4000641 Friction measuring apparatus
12/1976
12/14/1976US3997783 Method for testing the adhesion between the rubber compound and the cord fabric of a pneumatic tyre
11/1976
11/23/1976US3992922 Coefficient of frictional determining apparatus for railway vehicles
09/1976
09/14/1976US3979951 Testing fabric sewing properties
09/14/1976US3979947 Method of determining relative moisture content of earthy material
08/1976
08/31/1976US3977231 Static coefficient test method and apparatus
08/24/1976US3975940 Portable tester for measuring the static coefficient of friction between a floor surface or the like and a shoe sole or heel material or the like
08/10/1976US3973441 Accelerometer pig
08/03/1976US3972221 Method and device for testing a chain link mechanism
07/1976
07/20/1976US3970863 Element and method for detecting leakage of petroleum products
07/20/1976US3969930 Testing viscoelastic solids
05/1976
05/25/1976US3958450 Resonant sensing devices and methods for determining surface properties of test pieces
05/11/1976US3955409 Device for torsional oscillation testing
05/11/1976US3955404 Resonant sensing device
03/1976
03/23/1976US3945248 Wire bond integrity tester
01/1976
01/13/1976US3931732 Sharp edge tester
1 ... 63 64 65 66 67 68 69 70 71 72 73