David Geringer — 35 Patents at Security Door Controls

David Geringer has been granted 35 US patents while listed as an inventor at Security Door Controls. The first was granted in 1986 and the most recent in February 2025. David Geringer ranks #96,288 of 4,157,543 US inventors in our database (top 2.3%). Patent records list David Geringer in Camarillo, CA, US.

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #	Title	Co-Inventors	Date
12227969	Door latch locking mechanism	—	2025-02-18
12110710	Electric lock with latch retractor	Arthur Geringer	2024-10-08
11542726	Surface mounted single solenoid electric strike	David Christian Moen, Gilbert D. Bolanos, Jr.	2023-01-03
10815692	Electric strike	Arthur Geringer	2020-10-27
10697202	Electronic cathode lock	Chen Chung Yu	2020-06-30
10107015	Electric latch retraction push-bar device	Arthur Geringer	2018-10-23
9797165	Electric latch retraction bar	Arthur Geringer	2017-10-24
8851532	Electric strike	Arthur Geringer, Richard Geringer	2014-10-07
8851530	Electric latch retraction bar	Arthur Geringer, Richard Geringer	2014-10-07
7963574	Fail safe/fail secure lock with quick change access window	Arthur Geringer, Richard Geringer	2011-06-21
7698918	Interchangeable lock operable in fail safe or fail secure modes	Arthur Geringer, Richard Geringer	2010-04-20
7614669	Interchangeable lock operable in fail safe or fail secure modes	Arthur Geringer, Richard Geringer	2009-11-10
7540542	Electric strike	Arthur Geringer, Richard Geringer	2009-06-02
7246827	Fail safe/fail secure lock with quick change access window	Arthur Geringer, Richard Geringer	2007-07-24
6363763	Lock with sensor	Arthur Geringer, Richard Geringer	2002-04-02
6048000	Delayed egress panic device with internal deadlocking bolt mechanism	Arthur Geringer, Richard Geringer	2000-04-11
5969440	Push bar with redundant pressure sensors and fail safe mechanical switch	Christopher L. Young, Richard Geringer	1999-10-19
5876073	Electrically operable door locking apparatus and method for operating the same	Arthur Geringer, Richard Geringer	1999-03-02
5564228	Pressure-actuated exit door access bar for an electronic delayed egress locking system	Arthur Geringer, Richard Geringer	1996-10-15
5525880	Pressure-actuated exit door access bar for an electronic delayed egress locking system	Arthur Geringer, Richard Geringer	1996-06-11
5429399	Electronic delayed egress locking system	Arthur Geringer, Richard Geringer	1995-07-04
5376910	Electromagnet coil assembly and mounting apparatus and method for use in installing same	Arthur Geringer, Richard Geringer	1994-12-27
5257841	Electrical monitoring strike device	Arthur Geringer, Richard Geringer	1993-11-02
5141271	Alignment device for electromagnetic door lock	Arthur Geringer, Richard Geringer	1992-08-25
5033779	Electromagnetic door lock device	Arthur Geringer, Richard Geringer	1991-07-23

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David Geringer — 35 Patents

Issued Patents All Time

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