Assignee
IRWIN RES & DEV INC
US·4 granted patents·123 citations·filing 1986–1997
Top patents by PatentIndex Score
4 records- 0188US4687144AApparatus for comminuting waste materialsIRWIN RES & DEV INC·Filed 1986·Granted Aug 18, 1987·59 cites·12 claims
- 0276US5893523AApparatus for comminuting waste materials having feed roll delivery featuresIRWIN RES & DEV INC·Filed 1997·Granted Apr 13, 1999·28 cites·16 claims
- 0376US5860607AApparatus for comminuting waste materials having screw delivery featuresIRWIN RES & DEV INC·Filed 1997·Granted Jan 19, 1999·28 cites·15 claims
- 0434US5893994AAdjustable length heat tunnel for varying shot lengthsIRWIN RES & DEV INC·Filed 1996·Granted Apr 13, 1999·8 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when IRWIN RES & DEV 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 →