Patents for F16J 3 - Diaphragms; Bellows; Bellows pistons (2,957)
10/1980
10/29/1980EP0017788A1 Sealing for a piston-cylinder arrangement
10/29/1980EP0017787A1 Sealing for a piston-cylinder arrangement
09/1980
09/30/1980US4224860 Diaphragm assembly
09/30/1980US4224808 Venting arrangement for stroking universal joint
09/23/1980US4224159 Device for diffusing matter between two fluids via semi-permeable diaphragms
08/1980
08/26/1980US4218959 Pressure regulating diaphragm
07/1980
07/08/1980CA1081051A1 Apparatus for the formation of expansion bellows for pipe-work assemblies
07/01/1980US4210002 Transmission joint with bellows dust-guard
05/1980
05/14/1980EP0010943A1 Fluid pressure-driven diaphragm pump
05/06/1980US4201391 Flexible bellows end connection in a marine stern drive
04/1980
04/22/1980CA1076065A1 Method of making porous plastic diaphragms and the resulting novel diaphragms
03/1980
03/19/1980EP0008900A1 Diaphragm for pressure sensors
02/1980
02/19/1980CA1071990A1 Rolling lobe diaphragm manufacture
01/1980
01/15/1980US4183289 Bellows apparatus
12/1979
12/25/1979US4179910 Apparatus for manufacturing deformable expansion bellows for pipe-work
11/1979
11/20/1979CA1066557A1 Diaphragm pump
10/1979
10/30/1979CA1065230A1 Bladder for force transmission apparatus
10/16/1979US4171218 Anticorrosive bellows
09/1979
09/05/1979EP0003869A1 Expansible bellows
01/1979
01/30/1979US4136603 Corrosion resistant metals that are fusion welded
01/09/1979US4133927 Composite material made of rubber elastomer and polytetrafluoroethylene resin
12/1978
12/05/1978CA1043659A1 Repairable pressure vessel
12/05/1978CA1043521A1 Process for the manufacture of a microporous menbrane made of dried, pulverized paste
11/1978
11/21/1978US4125929 Deformable metallic element
09/1978
09/26/1978US4116115 Bellows for sealing off the piston rod passage in an operating cylinder
09/19/1978US4114529 Safety structure
09/19/1978US4114460 Protective boot
09/05/1978CA1037975A2 Method of covering a swimming pool
08/1978
08/22/1978US4108486 Inflatable thrust producing tool
05/1978
05/23/1978US4090431 Bladder for force transmission apparatus
05/23/1978US4090286 Fluid operated diaphragm assembly and method of making the same
05/02/1978US4086819 Rolling seal for a well having a rod-type pump
04/1978
04/25/1978US4086036 Diaphragm pump
03/1978
03/28/1978US4080742 Kit of parts for forming a curved member, and curved member formed thereby
03/21/1978US4079757 Sleeve with folds therein
03/14/1978US4078580 Multiway valve
12/1977
12/06/1977US4061035 Diaphragm arrangement for pressure transducers
11/1977
11/15/1977US4058018 Pressure compensated flexible bellows
11/01/1977US4056009 Diaphragm arrangement for pressure transducers
09/1977
09/27/1977US4050358 Diaphragm and method of making
09/06/1977US4045959 Expanded ring bellows
07/1977
07/12/1977USRE29302 Bag diaphragms and bag diaphragm operated air dampers
05/1977
05/24/1977US4024770 Sealed joint
05/10/1977US4022114 Flexible diaphragm construction
03/1977
03/15/1977US4011650 Cold working process
01/1977
01/18/1977US4003818 Method of obtaining a micro-porous membrane and novel product thus obtained
12/1976
12/28/1976US3999266 Structure incorporating a diaphragm and method of making same
11/1976
11/23/1976US3993171 Fluid seal piston and cylinder assembly for a disc brake
08/1976
08/31/1976US3977648 Rotary motion valve and actuator
08/31/1976US3977299 Fastening means for closing a servomotor
07/1976
07/27/1976US3971217 Reciprocatable devices
07/20/1976US3969991 Rolling diaphragm and rolling diaphragm devices
06/1976
06/01/1976US3960179 Repairable presssure vessels
04/1976
04/27/1976US3953037 Polished rod protector and receiver
04/06/1976US3948288 Hydraulic accumulator
02/1976
02/17/1976US3938237 Method of securing tubular bellows to a cylinder
01/1976
01/27/1976US3934480 Rolling diaphragm seal between two relatively moving parts
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