Inventor · disambiguated record
Richard B. Polley
Also filed as: POLLEY RICHARD B
19 granted patents·309 citations·filing 1977–2002
95Inventor score
Files withBUCKEYE STEEL CASTINGS CO7ACF IND INC5GSI ENGINEERING INC4G S I ENGINEERING INC1LUKENS GENERAL IND INC1
Top patents by PatentIndex Score
19 records- 0178US6550394B1Retractable auxiliary bumper for hydraulic or pneumatic railway suspensionsBUCKEYE STEEL CASTINGS CO·Filed 2002·Granted Apr 22, 2003·25 cites·19 claims
- 0276US5992330ARailway vehicle suspension aligned truckBUCKEYE STEEL CASTINGS CO·Filed 1997·Granted Nov 30, 1999·40 cites·10 claims
- 0370US6543367B1Lightweight truck sideframeBUCKEYE STEEL CASTINGS CO·Filed 2000·Granted Apr 8, 2003·18 cites·11 claims
- 0469US4546706AEquipment mounting structure for inside bearing railway car trucksLUKENS GENERAL IND INC·Filed 1983·Granted Oct 15, 1985·27 cites·19 claims
- 0569US4223612ALifting device for railway tank carPOLLEY RICHARD B·Filed 1979·Granted Sep 23, 1980·22 cites·6 claims
- 0668US4466356AFull diameter head shield construction for railway tank carACF IND INC·Filed 1981·Granted Aug 21, 1984·24 cites·21 claims
- 0766US4114783AEduction pipe with guide sleeve and seal to draw liquid from the bottom and allow telescoping when tank top moves down under impactACF IND INC·Filed 1977·Granted Sep 19, 1978·27 cites·13 claims
- 0861US6079335AUnsprung third rail collector beam support for a swing arm primary suspension railway truckBUCKEYE STEEL CASTINGS CO·Filed 1999·Granted Jun 27, 2000·20 cites·16 claims
- 0961US4219047ATelescoping eduction pipe assembly with elastomeric bootACF IND INC·Filed 1978·Granted Aug 26, 1980·15 cites·6 claims
- 1060US4394002AMounting flange for wafersphere bottom outlet valveACF IND INC·Filed 1981·Granted Jul 19, 1983·16 cites·15 claims
- 1155US4760799ALightweight railway vehicle truckGSI ENGINEERING INC·Filed 1987·Granted Aug 2, 1988·16 cites·12 claims
- 1254US5947031ARailway truck leveling valve arrangement for closer overall height controlBUCKEYE STEEL CASTINGS CO·Filed 1997·Granted Sep 7, 1999·22 cites·19 claims
- 1352US6405657B1Railway truck with equalizer beam mounted disc brake caliperBUCKEYE STEEL CASTINGS CO·Filed 2001·Granted Jun 18, 2002·3 cites·12 claims
- 1447US4422473ATank ball valve having depending sleeve and handle attached to the sleeveACF IND INC·Filed 1981·Granted Dec 27, 1983·9 cites·15 claims
- 1544US5462139ACast bolt-on mounting bracket for supporting a disc brake on a railcar truckGSI ENGINEERING INC·Filed 1994·Granted Oct 31, 1995·12 cites·7 claims
- 1632US4851617ADevice for mounting third rail engaging equipment on railway trucksGSI ENGINEERING INC·Filed 1987·Granted Jul 25, 1989·4 cites·12 claims
- 1732US4771529AApparatus for tramming railway trucksGSI ENGINEERING INC·Filed 1987·Granted Sep 20, 1988·4 cites·4 claims
- 1827US6089165ARailway truck with underslung equilizer beamsBUCKEYE STEEL CASTINGS CO·Filed 1998·Granted Jul 18, 2000·0 cites·6 claims
- 1922US5456187ARailroad truck axle assembly retention mechanismG S I ENGINEERING INC·Filed 1994·Granted Oct 10, 1995·5 cites·10 claims
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