Inventor · disambiguated record
Franklin S. Mckeown, Jr.
Also filed as: MCKEOWN FRANKLIN S · MCKEOWN FRANKLIN S JR · MCKEOWN JR FRANKLIN · MCKEOWN JR FRANKLIN S
8 granted patents·389 citations·filing 1990–1996
90Inventor score
Top patents by PatentIndex Score
8 records- 0189US5481986ALightweight truck sideframeAMSTED IND INCOPORATED·Filed 1994·Granted Jan 9, 1996·90 cites·7 claims
- 0289US5111753ALight weight fatigue resistant railcar truck bolsterAMSTED IND INC·Filed 1990·Granted May 12, 1992·77 cites·5 claims
- 0389US5095823AFriction shoe for railcar truckAMSTED IND INC·Filed 1990·Granted Mar 17, 1992·69 cites·4 claims
- 0487US5086708ARailcar truck bolster with immobilized friction shoesAMSTED IND INC·Filed 1990·Granted Feb 11, 1992·60 cites·4 claims
- 0580US5331902ATruck boltser with laterally wider friction show pocket and mechanism for lateral travel of the friction shoeAMSTED IND INC·Filed 1993·Granted Jul 26, 1994·45 cites·19 claims
- 0661US5305694ASideframe with increased fatigue life having longer cross-sectional thickness transition zoneAMSTED IND INC·Filed 1993·Granted Apr 26, 1994·23 cites·3 claims
- 0755US5809899ADraft sill and wheel truck connectionAMSTED IND INC·Filed 1996·Granted Sep 22, 1998·18 cites·70 claims
- 0833US5573126AGravity wedge for a slackless railcar connector assemblyAMSTED IND INC·Filed 1996·Granted Nov 12, 1996·7 cites·8 claims
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