Individual holder
BARBIER WILLIAM J
US·2 granted patents·116 citations·filing 1990–1993
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
2 records- 0185US5072595AApparatus for detecting small bubbles in a pressurized fluid streamBARBIER WILLIAM J·Filed 1990·Granted Dec 17, 1991·63 cites·12 claims
- 0284US5278426AOptical liquid level sensor for pressurized systems utilizing prismatic elementBARBIER WILLIAM J·Filed 1993·Granted Jan 11, 1994·53 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when BARBIER WILLIAM J 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 →