Helmut Schroder-Brumloop — 18 Patents at Otis Elevator

Helmut Schroder-Brumloop has been granted 18 US patents while listed as an inventor at Otis Elevator. The first was granted in 1993 and the most recent in May 2013. Helmut Schroder-Brumloop ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Helmut Schroder-Brumloop in Berlin, DE.

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8448751	Elevator door system	Christian G. Tonna, Christoph Durand	2013-05-28
7246688	Elevator door system	Christian G. Tonna, Christoph Durand	2007-07-24	$117,402,000
6269910	Elevator rescue system	Richard N. Fargo, Gerard Sirigu, Joseph J. Barna, Barry G. Blackaby	2001-08-07	$43,523,000
6196355	Elevator rescue system	Richard N. Fargo, Gerard Sirigu, Joseph J. Barna, Barry G. Blackaby	2001-03-06	$61,247,000
6193018	Belt-climbing elevator having drive in counterweight	Jean Marc Ferrary, Armando Servia, Pascal Rebillard, Richard J. Ericson	2001-02-27	$90,715,000
6186281	Remote storage and reset of elevator overspeed switch	Chris Pietrzykowski, Gerard Sirigu, Richard N. Fargo, Randy G. Henley, Gurumurthi Ravishankar	2001-02-13	$73,456,000
6161656	Speed and direction indicator for elevator systems	Herbert Horbrugger, Michael Mann	2000-12-19	$46,485,000
6138799	Belt-climbing elevator having drive in counterweight	Jean Marc Ferrary, Armando Servia, Pascal Rebillard, Richard J. Ericson	2000-10-31	$51,683,000
5921351	Modular drive mechanism for a passenger conveyor	—	1999-07-13	$26,672,000
5841083	Blocked door detection for an elevator system	Uwe Schonauer	1998-11-24	$17,738,000
5831227	Differential magnetic alignment of an elevator and a landing	Alan Matthew Finn, Jean-Noel Cloux, Peter Herkel, Jean-Pierre Pougny, Armando Servia +1 more	1998-11-03	$22,084,000
5821478	Generation of an elevator door close warning	Rudiger Lob	1998-10-13	$7,198,000
5711112	Double-drive automatic sliding door operator	Michael Barten, Rudiger Lob, Mustapha Toutaoui	1998-01-27	$31,754,000
5682022	Active stabilization of serially connected capacitors in high voltage applications	Sven-Oliver Rainer Kersten	1997-10-28	$11,835,000
5587565	Method for controlling elevator doors	Rudiger Lob	1996-12-24	$11,471,000
5491405	Level conversion of AC or DC voltage with noise rejection and low power consumption	Andreas Belkner	1996-02-13	$4,857,000
5367240	Low cost current sensor for fast-switching inverter applications	Rudiger Lob	1994-11-22	$2,477,000
5272398	Driver for power field-controlled switches with refreshed power supply providing stable on/off switching	Sven-Oliver Rainer Kersten	1993-12-21	$4,813,000

Helmut Schroder-Brumloop — 18 Patents

Issued Patents All Time

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