Inventor · disambiguated record
Christopher R. P. Withnall
Also filed as: WITHNALL CHRISTOPHER R P
10 granted patents·816 citations·filing 1993–2018
94Inventor score
Top patents by PatentIndex Score
10 records- 0198US8938818B2Sports helmetRIDDELL·Filed 2013·Granted Jan 27, 2015·48 cites·65 claims
- 0298US7954177B2Sports helmetRIDDELL·Filed 2007·Granted Jun 7, 2011·95 cites·33 claims
- 0398US7240376B2Sports helmetRIDDELL·Filed 2005·Granted Jul 10, 2007·125 cites·29 claims
- 0498US6934971B2Football helmetRIDDELL·Filed 2003·Granted Aug 30, 2005·209 cites·73 claims
- 0597US10932514B2Protective sports helmetRIDDELL·Filed 2018·Granted Mar 2, 2021·18 cites·29 claims
- 0697US10136692B2Sports helmetRIDDELL·Filed 2013·Granted Nov 27, 2018·50 cites·43 claims
- 0796US8528118B2Sports helmetIDE THAD M·Filed 2011·Granted Sep 10, 2013·70 cites·29 claims
- 0896US6871525B2Method and apparatus for testing football helmetsRIDDELL·Filed 2003·Granted Mar 29, 2005·118 cites·33 claims
- 0985US10143257B2Protective sports helmetRIDDELL·Filed 2015·Granted Dec 4, 2018·4 cites·46 claims
- 1081US5328447ASpine protectorMED ENG SYSTEMS INC·Filed 1993·Granted Jul 12, 1994·79 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Christopher R. P. Withnall 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 →