Inventor · disambiguated record
John W. Kaim
Also filed as: KAIM JOHN W · KAIM JOHN WALTER
20 granted patents·512 citations·filing 1976–1998
96Inventor score
Files withAMSTED IND INC20
Top patents by PatentIndex Score
20 records- 0195US4206849ATail portion for railroad car coupler knuckleAMSTED IND INC·Filed 1978·Granted Jun 10, 1980·73 cites·2 claims
- 0284US4456133ASlackless railway coupler connectionAMSTED IND INC·Filed 1982·Granted Jun 26, 1984·38 cites·2 claims
- 0383US4700853ASlackless railway coupler connectionAMSTED IND INC·Filed 1985·Granted Oct 20, 1987·42 cites·10 claims
- 0482US5368324AMounting system for fifth wheelsAMSTED IND INC·Filed 1994·Granted Nov 29, 1994·49 cites·12 claims
- 0575US5165714ATractor fifth wheel with bearing plate lubricating linerAMSTED IND INC·Filed 1991·Granted Nov 24, 1992·38 cites·9 claims
- 0675US4946052AGravity wedge for slackless railcar connectionsAMSTED IND INC·Filed 1989·Granted Aug 7, 1990·27 cites·18 claims
- 0773US5472223AAir operated fifth wheelAMSTED IND INC·Filed 1993·Granted Dec 5, 1995·35 cites·15 claims
- 0871US5000330ARailway vehicle rotary drawbar arrangementAMSTED IND INC·Filed 1989·Granted Mar 19, 1991·25 cites·22 claims
- 0968US4090614ARotary type railway car couplerAMSTED IND INC·Filed 1976·Granted May 23, 1978·18 cites·1 claims
- 1067US5176396AFifth wheel unlocking device with fluid powered redundancyAMSTED IND INC·Filed 1991·Granted Jan 5, 1993·28 cites·20 claims
- 1167US4363414AType-E railroad car coupler headAMSTED IND INC·Filed 1980·Granted Dec 14, 1982·20 cites·3 claims
- 1266US4466546ABottom shelf coupler with anticreep protection meansAMSTED IND INC·Filed 1982·Granted Aug 21, 1984·19 cites·1 claims
- 1366US4333576ACarrier assembly for use with a rotary railroad coupler systemAMSTED IND INC·Filed 1980·Granted Jun 8, 1982·20 cites·3 claims
- 1463US4230228APin type solid butt rotary couplerAMSTED IND INC·Filed 1978·Granted Oct 28, 1980·15 cites·5 claims
- 1560US6199889B1Reduced weight fifth wheel assemblyAMSTED IND INC·Filed 1998·Granted Mar 13, 2001·26 cites·3 claims
- 1659US4172530ARoll-over lock protection for railroad car couplerAMSTED IND INC·Filed 1978·Granted Oct 30, 1979·13 cites·8 claims
- 1753US4537304ARailway, coupler yoke, draft gear and follower assemblyAMSTED IND INC·Filed 1983·Granted Aug 27, 1985·12 cites·5 claims
- 1843US4674639ARailway coupler carrier retention systemAMSTED IND INC·Filed 1984·Granted Jun 23, 1987·7 cites·7 claims
- 1931US5941549AFifth wheel kingpin deflector and catcherAMSTED IND INC·Filed 1997·Granted Aug 24, 1999·3 cites·43 claims
- 2031US5865458AReduced weight fifth wheel assemblyAMSTED IND INC·Filed 1996·Granted Feb 2, 1999·4 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →