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USPTO Patent Rankings Data through Dec 31, 2025
AS

Andreas Stuffel — 23 Patents

OEOtis Elevator: 17 patents #90 of 1,840Top 5%
PKPaul Hettich Gmbh & Co. Kg: 6 patents #13 of 128Top 15%
Bückeburg, DE: #1 of 43 inventorsTop 3%
Overall (All Time): #178,160 of 4,157,543Top 5%
23 Patents All Time
Andreas Stuffel has been granted 23 US patents while listed as an inventor at Otis Elevator. The first was granted in 2002 and the most recent in January 2023. Andreas Stuffel ranks #178,160 of 4,157,543 US inventors in our database (top 4.3%). Patent records list Andreas Stuffel in Bückeburg, DE.

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11547210 Retraction device and method for opening and closing a movable furniture part Marvin Buhmeier 2023-01-10
10362871 Device and method for fixing a push element Heiko Boekhoff 2019-07-30
10314397 Device and method for fixing a push element Juergen Weidlich, Helmut Meyer, Christoph Kursawe 2019-06-11
10299587 Device and method for fixing a movable furniture part Marvin Buhmeier 2019-05-28
10285500 Device and method for fixing a push element Juergen Weidlich, Marvin Buhmeier, Helmut Meyer, Bernd Meyer 2019-05-14
10206503 Device and method for fixing a push element Juergen Weidlich, Marvin Buhmeier, Helmut Meyer 2019-02-19
8381895 Device to reduce noise transmission through the gap between escalator steps Carl Quentin Howard, Larry W. Hardin, Goldino Alves 2013-02-26
8016097 Escalator linear belt handrail drive Helmut Meyer, Klaus Rohrbach 2011-09-13
7770710 Handrail compensation device Sameh Samdzada 2010-08-10 $41,734,000
7614490 Passenger conveyor handrail having a gripping surface with a generally circular cross-section John M. Milton-Benoit, Mary Ann T. Valk, Bryan Robert Siewert, Andre Picker, Matthias Steffen +2 more 2009-11-10 $47,743,000
7568570 Safety monitoring system for a people conveyor Ralph S. Stripling, Dietmar Thaler, Frank Sansevero, Bernward Engelke, Peter von Riegen +5 more 2009-08-04 $60,940,000
7562759 Passenger conveyor handrail with sliding material on toothed driven surface Changsheng Guo, Klaus Seehausen, Bernward Engelke, Detlev Lindemeier, John M. Milton-Benoit +5 more 2009-07-21 $131,236,000
7401693 Moving flange fastening for passenger conveyors Georg Warmbold 2008-07-22 $42,283,000
7357241 Device for restraining the rise of a step roller of a people conveyor Rainer Schmidt, Jeong Rak KIM 2008-04-15 $212,692,000
7222713 Step attachment on the step chain of an escalator Uwe Hauer, Helmut Meyer, Richard N. Fargo 2007-05-29 $110,641,000
7140484 Moving flange for passenger conveyors Helmut Meyer, Yangying Anne Chen 2006-11-28 $25,833,000
6945379 Chain segment for personnel conveyor Uwe Hauer, Joerg Ostermeier, Dietmar Thaler, Andreas Vogt 2005-09-20 $83,552,000
6868956 Footboard element fastening for passenger conveyors Uwe Hauer, Joerg Ostermeier, Dietmar Thaler, Andreas Vogt 2005-03-22 $55,476,000
D490957 Two-tone moving step panel for escalator 2004-06-01
6527099 Belt drive back up device for escalator drive Joerg Ostermeier, Helmut Meyer 2003-03-04 $81,393,000
6460679 Automatically adjusting escalator handrail system Uwe Hauer, Dirk Gerdau 2002-10-08 $49,637,000
6457573 Belt drive back up device for escalator drive Joerg Ostermeier, Helmut Meyer 2002-10-01 $39,989,000
6450316 Escalator with step flange Frank Sansevero, Richard N. Fargo, Jorg Ostermeier, Uwe Hauer 2002-09-17 $62,695,000