Inventor · disambiguated record
Walter S. Ryan
Also filed as: RYAN WALTER S · RYAN WALTER SAMUEL
5 granted patents·53 citations·filing 1975–2001
78Inventor score
Top patents by PatentIndex Score
5 records- 0166US6546611B1Rail car anti-spin door handle and installation methodPENNSYLVANIA RAIL CAR COMPANY·Filed 2001·Granted Apr 15, 2003·15 cites·11 claims
- 0260US4064810ARailway car door actuating apparatusYOUNGSTOWN STEEL DOOR CO·Filed 1975·Granted Dec 27, 1977·18 cites·7 claims
- 0354US6370734B1Shoe insert for rail car sliding doorsPENNSYLVANIA RAIL CAR COMPANY·Filed 2000·Granted Apr 16, 2002·6 cites·6 claims
- 0437US5009036ABox car door sealPENNSYLVANIA RAIL CAR COMPANY·Filed 1990·Granted Apr 23, 1991·14 cites·1 claims
- 0525US6070920ACenter locking device for rail car plug type doorsPENNSYLVANIA RAIL CAR COMPANY·Filed 1998·Granted Jun 6, 2000·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →