David M. Hughes — 13 Patents at Otis Elevator

David M. Hughes has been granted 13 US patents while listed as an inventor at Otis Elevator. The first was granted in 1984 and the most recent in May 2020. David M. Hughes ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list David M. Hughes in East Hampton, CT, US.

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Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
10647024	Wet press concrete slab manufacturing	Klaus-Alexander Rieder, Lukasz M. Marcinkowski	2020-05-12
10294075	Re-dispatching unoccupied elevator car for occupant evacuation operation	James M. Collins, Jannah A. Stanley, Paul A. Stranieri, Ronnie E. Thebeau	2019-05-21
10227209	Orchestration of an occupant evacuation operation using destination entry fixtures	James M. Collins, Jannah A. Stanley, Paul A. Stranieri, Ronnie E. Thebeau	2019-03-12
10011460	Elevator dynamic displays for messaging and communication	James M. Collins, Ronnie E. Thebeau, Paul A. Stranieri, Jannah A. Stanley	2018-07-03
9108824	Remote access of an elevator control system with multiple subsystems	Sally Day Mahoney, Donald M. Sakonchick	2015-08-18
8172043	Elevator cross-dispatching system with inter group relative system response (IRSR) dispatching	Jerrold C. Bloom, John Grant	2012-05-08
5923484	Method of changing a thermomagnetic tape duplicator to an anhysteretic type of tape duplicator	Kinya Washino, Masashi Okajima	1999-07-13
5644110	Elevator service for dual lobby during up-peak	Zuhair S. Bahjat, James M. Collins	1997-07-01	$23,187,000
5487451	System and method for determining the availability of an elevator car for response to hall calls	Gary Meguerdichian	1996-01-30	$11,690,000
5357064	Elevator hall call cross-cancellation device	Robert C. Boyce, Brian D. Ellsworth, Bertram F. Kupersmith, Paul A. Stranieri	1994-10-18	$9,068,000
5272287	Elevator car and riser transfer	Gary Meguerdichian, Paul A. Stranieri, Bertram F. Kupersmith	1993-12-21	$4,813,000
5200583	Adaptive elevator security system	Bertram F. Kupersmith, Jannah A. Stanley, Jeremy B. Kezer	1993-04-06	$5,905,000
4463231	Push-push switch	Steven R. Cooper, Thomas W. Flanders	1984-07-31	$1,154,000

David M. Hughes — 13 Patents

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