Individual holder
ZIEGENBEIN KEITH J
US·7 granted patents·189 citations·filing 1985–2021
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
7 records- 0195US4729490AAutomatic touch actuated door openerZIEGENBEIN KEITH J·Filed 1986·Granted Mar 8, 1988·124 cites·10 claims
- 0287US8402984B1Flood preventing system, and method of useZIEGENBEIN KEITH J·Filed 2010·Granted Mar 26, 2013·20 cites·20 claims
- 0379US11103033B1System and method for enhancing the utility of smartwatches in combination with conventional watchesZIEGENBEIN KEITH J·Filed 2019·Granted Aug 31, 2021·2 cites·16 claims
- 0477US8439062B1Flood preventing system, and method of useZIEGENBEIN KEITH J·Filed 2010·Granted May 14, 2013·10 cites·36 claims
- 0569US4609122AAutomatic touch actuated door openerZIEGENBEIN KEITH J·Filed 1985·Granted Sep 2, 1986·28 cites·12 claims
- 0661US11805867B2System and method for enhancing the utility of smartwatches in combination with mechanical and other conventional watchesZIEGENBEIN KEITH J·Filed 2021·Granted Nov 7, 2023·0 cites·23 claims
- 0745USD371188SSelf draining shut-off valveZIEGENBEIN KEITH J·Filed 1994·Granted Jun 25, 1996·5 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when ZIEGENBEIN KEITH 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 →