Inventor · disambiguated record
John Richard Irwin
Also filed as: IRWIN JOHN R · IRWIN JOHN RICHARD
8 granted patents·2 pending applications·151 citations·filing 1989–2024
85Inventor score
Top patents by PatentIndex Score
10 records- 0185US11597416B2Railroad brake stickPREC CUT 3D LLC·Filed 2021·Granted Mar 7, 2023·2 cites·25 claims
- 0282US6428050B1Motorized skateFiled 1998·Granted Aug 6, 2002·52 cites·115 claims
- 0375US5127045AIdentifying telephone controller systemCRAGUN DAVID R·Filed 1989·Granted Jun 30, 1992·71 cites·32 claims
- 0465US12384430B2Durable railroad brake stick headPREC CUT 3D LLC·Filed 2022·Granted Aug 12, 2025·0 cites·21 claims
- 0559US2024367310A1Durable railroad brake stickPREC CUT 3D LLC·Filed 2024·Application pending·0 cites
- 0650US2004103023A1Coupon barcode internet verification systemFiled 2002·Application pending·0 cites
- 0749USD966061SRailroad brake stickPREC CUT 3D LLC·Filed 2021·Granted Oct 11, 2022·1 cites·1 claims
- 0848US6703742B1Electric motor with rotor being a drive wheelFiled 1998·Granted Mar 9, 2004·19 cites·33 claims
- 0940USD1043282SRailroad brake stickPREC CUT 3D LLC·Filed 2022·Granted Sep 24, 2024·0 cites·1 claims
- 1021US5801314ABridge movement detectorSTODDARD SHANE F·Filed 1994·Granted Sep 1, 1998·6 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when John Richard Irwin files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →