Assignee
PENRAY COMPANIES INC
US·3 granted patents·1 pending application·94 citations·filing 2002–2012
Top patents by PatentIndex Score
4 records- 0190US6835304B2Device for monitoring of a coolant regeneration systemPENRAY COMPANIES INC·Filed 2002·Granted Dec 28, 2004·76 cites·62 claims
- 0272US6742345B2Temperature control system using aqueous 1,3-propanediol solutionPENRAY COMPANIES INC·Filed 2002·Granted Jun 1, 2004·16 cites·26 claims
- 0370US8349033B2Diesel fuel, diesel fuel additive, and associated method for using the samePENRAY COMPANIES INC·Filed 2008·Granted Jan 8, 2013·2 cites·6 claims
- 0449US2013104448A1Fuel additivePENRAY COMPANIES INC·Filed 2012·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when PENRAY COMPANIES INC files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →