David V. Keller has been granted 15 US patents while listed as an inventor at Porter-Cable . The first was granted in 1994 and the most recent in December 2017. David V. Keller ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list David V. Keller in Jackson, TN, US.
Patents per Year Patents granted per year, 1994 to 2017 Bar chart with a peak of 4 patents in 2002. peak 4 1994: 2 patents 1994 2002: 4 patents 2002 2007: 1 patents 2007 2011: 1 patents 2011 2012: 1 patents 2012 2013: 1 patents 2013 2016: 3 patents 2016 2017: 2 patents 2017
Issued Patents All Time
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Showing 1–15 of 15 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
9853409
Self-adjusting crimping tool
Christoph Dierks , Guenther Hanning , Detlev Hetland
2017-12-26
9564727
Crimping apparatus for turned contacts
Christoph Dierks , Guenther Hanning , Detlev Hetland
2017-02-07
9522475
Safety devices for saws
Mark D. Hickok , Peter Domeny , Thornton H. Gogoll, III , David G. Peot , Stan M. Rodrigues +1 more
2016-12-20
9496671
Crimping tool for wire end ferrules
Christoph Dierks , Guenther Hanning , Detlev Hetland
2016-11-15
9381667
Saw accessories and clamp for use therewith
Mark D. Hickok , Peter Domeny , Thornton H. Gogoll, III , David G. Peot , Stan M. Rodrigues +1 more
2016-07-05
8479627
Safety devices for saws
Mark D. Hickok , Peter Domeny , Thornton H. Gogoll, III , David G. Peot , Stan M. Rodrigues +1 more
2013-07-09
8091456
Safety devices for saws
Mark D. Hickok , Peter Domeny , Thornton H. Gogoll, III , David G. Peot , Stan M. Rodrigues +1 more
2012-01-10
8082826
Saw accessories and clamp for use therewith
Mark D. Hickok , Peter Domeny , Thornton H. Gogoll, III , David G. Peot , Stan M. Rodrigues +1 more
2011-12-27
7290474
System for rapidly stopping a spinning table saw blade
—
2007-11-06
$14,995,000
6464573
Guard attachment system with knurled clamp ring
—
2002-10-15
D458825
Tuck-pointing system
Michael K. Taylor
2002-06-18
D456685
Knurled collar guard
—
2002-05-07
D456234
Knurled collar attachment system
—
2002-04-30
5375495
Optical alignment system for circular power saws
Donald R. Bosten , John Robert Kriaski , John Schnell , James P. Nichols, Jr. , Steven H. Plume +3 more
1994-12-27
5285708
Miter saw alignment system
Donald R. Bosten , John Robert Kriaski , John Schnell , James P. Nichols, Jr. , Steven H. Plume +3 more
1994-02-15