Inventor · disambiguated record
Carl R. Coles
Also filed as: COLES CARL R
4 granted patents·230 citations·filing 1974–1995
82Inventor score
Top patents by PatentIndex Score
4 records- 0191US4295653APressure-compensated diaphragm seals for actuators, with self-equalizationZERO SEAL INC·Filed 1980·Granted Oct 20, 1981·73 cites·12 claims
- 0290US5474303AActuator rod hermetic sealing apparatus employing concentric bellows and pressure compensating sealing liquid with liquid monitoring systemFiled 1993·Granted Dec 12, 1995·91 cites·25 claims
- 0382US5702240ARotary positive displacement blower having a diverging outlet partTUTHILL CORP·Filed 1995·Granted Dec 30, 1997·48 cites·13 claims
- 0460US3933052APressure compensated hermetically sealed transmission systemCOLES CARL R·Filed 1974·Granted Jan 20, 1976·18 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Carl R. Coles 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 →