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USPTO Patent Rankings Data through Dec 31, 2025
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Mark A. Walker — 19 Patents

LCLutron Electronics Co.: 7 patents #117 of 433Top 30%
NLNpf Limited: 4 patents #3 of 4Top 75%
GEGlenayre Electronics: 3 patents #22 of 108Top 25%
BABaumfolder: 1 patents #3 of 7Top 45%
LILennox Industries: 1 patents #230 of 340Top 70%
TITomkins Industries: 1 patents #2 of 19Top 15%
Overall (All Time): #229,345 of 4,157,543Top 6%
19 Patents All Time
Mark A. Walker has been granted 19 US patents while listed as an inventor at Lutron Electronics Co.. The first was granted in 1991 and the most recent in August 2018. Mark A. Walker ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list Mark A. Walker in Pretoria, TX, ZA.

Patents per Year

Patents granted per year, 1991 to 2018Bar chart with a peak of 2 patents in 2004.peak 21991: 1 patents19911993: 1 patents1997: 1 patents19971998: 1 patents1999: 1 patents19992002: 1 patents2003: 1 patents20032004: 2 patents2005: 2 patents20052006: 2 patents2007: 2 patents20072009: 2 patents2011: 1 patents20112018: 1 patents2018

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
10041243 Modular building unit, system and method — 2018-08-07
7967000 Low pressure paintball guns John R. Rice 2011-06-28
7635018 System for controlling a roller shade fabric to a desired linear speed Lawrence R. Carmen, Jr., David J. Dolan 2009-12-22
7537040 Control system for uniform movement of multiple roller shades Lawrence R. Carmen, Jr., David J. Dolan 2009-05-26
7281565 System for controlling roller tube rotational speed for constant linear shade speed Lawrence R. Carmen, Jr., David J. Dolan 2007-10-16
7240716 System for coupling roller shade tubes Joseph M. Nichols 2007-07-10
7063124 System for securing a shade fabric to a roller tube Michael S. Kokolus 2006-06-20
7051782 System for coupling roller shade tubes Joseph M. Nichols 2006-05-30
6896366 Goggles John R. Rice 2005-05-24
6845806 Roller shade weighting assembly Jason Gottschall, Joel E. Hibshman, David A. Kirby 2005-01-25
6729497 Paintball container John R. Rice 2004-05-04
D484926 Paintball marker grip frame John R. Rice, Nicholas John Marks 2004-01-06
D473910 Paintball marker grip frame John R. Rice, Nicholas John Marks 2003-04-29
6361432 Air diffuser with air flow regulator — 2002-03-26
5920808 Method and apparatus for reducing key-up distortion by pre-heating transistors David E. Jones, Thomas Frederick, Kevin Patrick Murphy, Gerald D. Deters 1999-07-06
5732333 Linear transmitter using predistortion Charles Brian Cox, David Kent Bonds, Jay Jui-Chieh Chen, Flaviu C. Costescu, Joel Richard Dierks +15 more 1998-03-24
5694085 High-power amplifier using parallel transistors — 1997-12-02
5232504 Modular and adjustable glue dispenser Carl J. Didier, John S. Whittenberger 1993-08-03
5069040 Coil bypass arrangement — 1991-12-03

Frequent Collaborators

John R. Rice5 shared
Lawrence R. Carmen, Jr.3 shared
David J. Dolan3 shared
David E. Jones2 shared
Nicholas John Marks2 shared
Joseph M. Nichols2 shared

Nearby-Ranked Inventors

Vlastimil Kunc19
Nikolaj Maj Bentsen19
Vladimir Zhukov19
Remi Geraud19
Stephen Kaes19
Adeeti V. Ullal19
Ichiro Hayashi19
Kazuhiko Ueno19
Lei S. Qi19