Assignee
PERKINS WARREN E
US·6 granted patents·333 citations·filing 1985–1989
Technology mixA61M6
Top patents by PatentIndex Score
6 records- 0169US5005570AMethod and means for dispensing respirating gases by effecting a known displacementPERKINS WARREN E·Filed 1989·Granted Apr 9, 1991·90 cites·14 claims
- 0265US4832014AMethod and means for dispensing two respirating gases by effecting a known displacementPERKINS WARREN E·Filed 1987·Granted May 23, 1989·79 cites·17 claims
- 0357US4705034AMethod and means for dispensing respirating gases by effecting a known displacementPERKINS WARREN E·Filed 1985·Granted Nov 10, 1987·76 cites·12 claims
- 0441US5038770AFail-safe systems for respirating gas delivery devicesPERKINS WARREN E·Filed 1989·Granted Aug 13, 1991·32 cites·32 claims
- 0541US4932401ATwo-gas variable ratio, variable dose, metering system and method of usePERKINS WARREN E·Filed 1988·Granted Jun 12, 1990·32 cites·23 claims
- 0640US4873971AMethod and means for dispensing respirating gases by effecting a known displacementPERKINS WARREN E·Filed 1987·Granted Oct 17, 1989·24 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when PERKINS WARREN E 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 →