Douglas E. Logan — 7 Patents at Otis Elevator

Douglas E. Logan has been granted 7 US patents while listed as an inventor at Otis Elevator. The first was granted in 2002 and the most recent in August 2023. Douglas E. Logan ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Douglas E. Logan in Middletown, CT, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11718505	Elevator system suspension member termination	Richard N. Fargo, Mark R. Gurvich, Richard J. Ericson, John P. Wesson, David Wayne Mckee +1 more	2023-08-08
10850944	Elevator system suspension member termination	Richard N. Fargo, Mark R. Gurvich, Richard J. Ericson, John P. Wesson, David Wayne Mckee +1 more	2020-12-01
8734203	Elevator load bearing member having a jacket with at least one rough exterior surface	John T. Pitts, Ary O. Mello, Hugh J. O'Donnell, John P. Wesson, William A. Veronesi +3 more	2014-05-27
8449349	Elevator load bearing member having a jacket with at least one rough exterior surface	Mark S. Thompson, William A. Veronesi, John T. Pitts, Ary O. Mello, Hugh J. O'Donnell +6 more	2013-05-28
7117981	Load bearing member for use in an elevator system having external markings for indicating a condition of the assembly	Leroy H. Favrow, Robert J. Haas, Paul A. Stucky, Neil Baldwin	2006-10-10	$48,127,000
6742769	Elevator sheave for use with flat ropes	Pedro S. Baranda, John T. Pitts, Richard L. Hollowell, John P. Wesson, Zlatko Strbuncelj +1 more	2004-06-01	$41,844,000
6419208	Elevator sheave for use with flat ropes	Pedro S. Baranda, John T. Pitts, Richard L. Hollowell, John P. Wesson	2002-07-16	$54,390,000

Douglas E. Logan — 7 Patents

Issued Patents All Time

Patent Widget