Douglas E. Logan

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Bristol, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Elevator load bearing member having a jacket with at least one roug...
- Patent number 8,734,203
- Issue date May 27, 2014
- Otis Elevator Company
- John T. Pitts
- D07 - ROPES CABLES OTHER THAN ELECTRIC
Information Patent Grant
Elevator load bearing member having a jacket with at least one roug...
- Patent number 8,449,349
- Issue date May 28, 2013
- Otis Elevator Company
- Mark S. Thompson
- D07 - ROPES CABLES OTHER THAN ELECTRIC
Information Patent Grant
Load bearing member for use in an elevator system having external m...
- Patent number 7,117,981
- Issue date Oct 10, 2006
- Otis Elevator Company
- Douglas E. Logan
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator sheave for use with flat ropes
- Patent number 6,742,769
- Issue date Jun 1, 2004
- Otis Elevator Company
- Pedro S. Baranda
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator sheave for use with flat ropes
- Patent number 6,419,208
- Issue date Jul 16, 2002
- Otis Elevator Company
- Pedro S. Baranda
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
ELEVATOR LOAD BEARING MEMBER HAVING A JACKET WITH AT LEAST ONE ROUG...
- Publication number 20130277879
- Publication date Oct 24, 2013
- John T. Pitts
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Elevator load bearing member having a jacket with at least one roug...
- Publication number 20090120731
- Publication date May 14, 2009
- Mark S. Thompson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
LOAD BEARING MEMBER FOR USE IN AN ELEVATOR SYSTEM HAVING EXTERNAL M...
- Publication number 20030111298
- Publication date Jun 19, 2003
- Douglas E. Logan
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Elevator sheave for use with flat ropes
- Publication number 20030025109
- Publication date Feb 6, 2003
- Otis Elevator Company
- Pedro S. Baranda
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...