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John D. Spencer

JT Johnson Controls Technology: 5 patents #273 of 2,110Top 15%
GE Gentex: 2 patents #270 of 567Top 50%
SP Saskatchewan Power: 2 patents #2 of 11Top 20%
PL Pandrol Limited: 1 patents #25 of 79Top 35%
VA Valcom: 1 patents #3 of 5Top 60%
Overall (All Time): #291,824 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11753774 Anchoring device for a railway rail fastening assembly John Phillip Porrill, Stephen John Cox, Brenton Keast, Steven Harkness, Chris Lea 2023-09-12
9430945 System and method for providing route calculation and information to a vehicle Rodger W. Eich, Brian L. Douthitt, Richard J. Chutorash 2016-08-30
9007168 System and method for enrollment of a remotely controlled device in a trainable transmitter Jeremy Bos, Carl L. Shearer, David A. Blaker, Todd R. Witkowski 2015-04-14
8760267 System and method for enrollment of a remotely controlled device in a trainable transmitter Jeremy Bos, Carl L. Shearer, David A. Blaker, Todd R. Witkowski 2014-06-24
8174357 System and method for training a transmitter to control a remote control system Steven L. Geerlings, Loren Vredevoogd, David A. Blaker 2012-05-08
7911358 System and method for enrollment of a remotely controlled device in a trainable transmitter Jeremy Bos, Carl L. Shearer, David A. Blaker, Todd R. Witkowski 2011-03-22
7493140 System, method and device for providing communication between a vehicle and a plurality of wireless devices having different communication standards Mark Michmerhuizen, Timothy J. Syfert, Joseph W. Strazanac 2009-02-17
7401512 Solid state illuminator for bi-color ported water level gauges David Kalix 2008-07-22
7213457 Solid state illuminator for bi-color ported water level gauges David Kalix 2007-05-08
7197926 Solid state illuminator for bi-color ported water level gauges David Kalix 2007-04-03
7186118 Electrification system for use in a vehicle Scott A. Hansen, Jeremy J. Gauthier, Miklos A. Kovach, Elindo G. Castro, Jr. 2007-03-06
6938477 Solid state illuminator for bi-colored ported water level gauges David Kalix 2005-09-06
5229925 Modular front panel and enclosure for electronic apparatus John Mason 1993-07-20
5107128 Method and apparatus for detecting flame with adjustable optical coupling Peter W. N. Davall 1992-04-21
4983853 Method and apparatus for detecting flame Peter W. N. Davall 1991-01-08
4482891 Robust electronic liquid level gauge 1984-11-13