John Eschenbrenner — 7 Patents at Otis Elevator

John Eschenbrenner has been granted 7 US patents while listed as an inventor at Otis Elevator. The first was granted in 1998 and the most recent in November 2023. John Eschenbrenner ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list John Eschenbrenner in Canton, CT, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11807493	Retrofitted hoist machine	Christopher H. Koenig, Barry G. Blackaby, Daniel B. Davis, III, Gregory M. O'Seep, Jesse R. Richter +1 more	2023-11-07
11377323	Retrofitting an elevator machine with primary and secondary braking	Daniel B. Davis, III, Robert K. Williams, Gregory M. O'Seep, James L. Hubbard, Martin J. Hardesty +5 more	2022-07-05
11299374	Method and kit for retrofitting elevator machines with thrust bearing, and retrofitted elevator machine	Daniel B. Davis, III, Robert K. Williams, Gregory M. O'Seep, James L. Hubbard, Martin J. Hardesty +5 more	2022-04-12
10737908	Method and kit for retrofitting elevator machines with thrust bearing, and retrofitted elevator machine	Daniel B. Davis, III, Robert K. Williams, Gregory M. O'Seep, James L. Hubbard, Martin J. Hardesty +5 more	2020-08-11
10618775	Retrofitting an elevator machine with primary and secondary braking	Daniel B. Davis, III, Robert K. Williams, Gregory M. O'Seep, James L. Hubbard, Martin J. Hardesty +5 more	2020-04-14
9624071	Elevator passenger interface including special assistance features	Dennis Hanvey, Michael P. Flynn	2017-04-18
5780788	Special emergency service control arrangement for elevator car	Robert James Logemann	1998-07-14	$10,987,000

John Eschenbrenner — 7 Patents

Issued Patents All Time

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