Inventor · disambiguated record
Ronald Chappell
Also filed as: CHAPPELL RONALD · CHAPPELL RONALD G · CHAPPELL RONALD GEORGE
4 granted patents·2 pending applications·53 citations·filing 1974–2019
74Inventor score
Top patents by PatentIndex Score
6 records- 0184US6806465B2Sample collection preparation methods for time-of flight miniature mass spectrometerUNIV JOHNS HOPKINS·Filed 2001·Granted Oct 19, 2004·24 cites·25 claims
- 0270US4002713ACementing compositions and concretes and mortars derived therefromICI LTD·Filed 1974·Granted Jan 11, 1977·26 cites·16 claims
- 0363US10222089B2Damper with integrated blade stopT A MORRISON & COMPANY INC·Filed 2014·Granted Mar 5, 2019·3 cites·13 claims
- 0454US2019145653A1Damper with integrated blade stopT A MORRISON & CO INC·Filed 2019·Application pending·0 cites
- 0548US2011121619A1Stemmed glass holderCOLEMAN CO·Filed 2009·Application pending·0 cites
- 0632US10514181B2Counterweighted backdraft damper blade with improved airflow profileT A MORRISON & CO INC·Filed 2015·Granted Dec 24, 2019·0 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Ronald Chappell 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 →