Arthur Geringer — 32 Patents at Security Door Controls

Arthur Geringer has been granted 32 US patents while listed as an inventor at Security Door Controls. The first was granted in 1986 and the most recent in October 2024. Arthur Geringer ranks #110,428 of 4,157,543 US inventors in our database (top 2.7%). Patent records list Arthur Geringer in Oak Park, CA, US.

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #	Title	Co-Inventors	Date
12110710	Electric lock with latch retractor	David Geringer	2024-10-08
10815692	Electric strike	David Geringer	2020-10-27
10107015	Electric latch retraction push-bar device	David Geringer	2018-10-23
9797165	Electric latch retraction bar	David Geringer	2017-10-24
8851530	Electric latch retraction bar	David Geringer, Richard Geringer	2014-10-07
8851532	Electric strike	David Geringer, Richard Geringer	2014-10-07
7963574	Fail safe/fail secure lock with quick change access window	David Geringer, Richard Geringer	2011-06-21
7698918	Interchangeable lock operable in fail safe or fail secure modes	David Geringer, Richard Geringer	2010-04-20
7614669	Interchangeable lock operable in fail safe or fail secure modes	David Geringer, Richard Geringer	2009-11-10
7540542	Electric strike	David Geringer, Richard Geringer	2009-06-02
7246827	Fail safe/fail secure lock with quick change access window	David Geringer, Richard Geringer	2007-07-24
6681607	Lock with sensor	—	2004-01-27
6363763	Lock with sensor	Richard Geringer, David Geringer	2002-04-02
6048000	Delayed egress panic device with internal deadlocking bolt mechanism	Richard Geringer, David Geringer	2000-04-11
5876073	Electrically operable door locking apparatus and method for operating the same	Richard Geringer, David Geringer	1999-03-02
5564228	Pressure-actuated exit door access bar for an electronic delayed egress locking system	Richard Geringer, David Geringer	1996-10-15
5525880	Pressure-actuated exit door access bar for an electronic delayed egress locking system	Richard Geringer, David Geringer	1996-06-11
5429399	Electronic delayed egress locking system	Richard Geringer, David Geringer	1995-07-04
5376910	Electromagnet coil assembly and mounting apparatus and method for use in installing same	Richard Geringer, David Geringer	1994-12-27
5257841	Electrical monitoring strike device	Richard Geringer, David Geringer	1993-11-02
5141271	Alignment device for electromagnetic door lock	Richard Geringer, David Geringer	1992-08-25
5033779	Electromagnetic door lock device	Richard Geringer, David Geringer	1991-07-23
5006723	Electromagnetic door lock device	Richard Geringer, David Geringer	1991-04-09
5000497	Electromagnetic door lock device	Richard Geringer, David Geringer	1991-03-19
4986581	Electromagnetic door lock device	Richard Geringer, David Geringer	1991-01-22

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Arthur Geringer — 32 Patents

Issued Patents All Time

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