Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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John C. Smith — 68 Patents

POPorter-Cable: 19 patents #5 of 50Top 10%
ITIrwin Industrial Tool: 13 patents #10 of 165Top 7%
POPorter-Cable/Delta: 8 patents #1 of 25Top 4%
BDBlack & Decker: 7 patents #521 of 2,745Top 20%
UCUnion Oil Company Of California: 3 patents #106 of 385Top 30%
UNUnknown: 2 patents #12,644 of 83,584Top 20%
SASiemens Automotive: 2 patents #75 of 231Top 35%
PSPirelli Cables And Systems: 2 patents #4 of 17Top 25%
PCPirelli Cable: 2 patents #9 of 35Top 30%
DMDelta International Machinery: 1 patents #29 of 48Top 65%
ITInternational Telephone And Telegraph: 1 patents #182 of 507Top 40%
SASiemens Automotive: 1 patents #46 of 85Top 55%
USUs: 1 patents #4 of 20Top 20%
Roanoke, VA: #3 of 603 inventorsTop 1%
Virginia: #151 of 34,511 inventorsTop 1%
Overall (All Time): #30,786 of 4,157,543Top 1%
68 Patents All Time
John C. Smith has been granted 68 US patents while listed as an inventor at Porter-Cable. The first was granted in 1984 and the most recent in May 2012. John C. Smith ranks #30,786 of 4,157,543 US inventors in our database (top 0.74%). Patent records list John C. Smith in Roanoke, VA, US.

Issued Patents All Time

Showing 1–25 of 68 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8167683 In-line sander Donald R. Bosten, John Robert Kriaski, Randy G. Cooper 2012-05-01
7756665 Electronic measuring device Jeffrey Spanski, Derek J. Nash, Daily Gist, Michael Williams, Raymond Chan +2 more 2010-07-13
7640672 Laser reference device James Michael Burry, Derek J. Nash, Douglas G. Johnson 2010-01-05
7513051 Laser line generating device with graduated base Jeffrey Spanski, Derek J. Nash, Mike Williams, Leslie Daily Gist, Steven R. Levine 2009-04-07
7497019 Laser reference device Derek J. Nash 2009-03-03
7469481 Intersecting laser line generating device Derek J. Nash, Jeffrey Spanski, Michael Williams 2008-12-30
7438629 In-line sander Donald R. Bosten, John Robert Kriaski, Randy G. Cooper 2008-10-21 $11,235,000
7403687 Reinforced tight-buffered optical fiber and cables made with same 2008-07-22
7387655 Air filtration unit Todd Chipner, Mark A. Etter, Angela Denise Shelton, Leslie Daily Gist, Charles Chen 2008-06-17 $7,572,000
7377045 Laser reference device James Michael Burry, Derek J. Nash, Douglas G. Johnson 2008-05-27
7328516 Laser level Derek J. Nash, Jeffrey Spanski, Michael James Burry 2008-02-12
7310887 Intersecting laser line generating device Derek J. Nash, Jeffrey Spanski, Michael Williams 2007-12-25
7281460 Positive lock tail stock support for lathe Kendall D. Smith 2007-10-16 $8,623,000
7272893 Rolling electronic length measuring device Michael Williams, Jeffrey Spanski, Derek J. Nash, Daily Gist 2007-09-25
7269907 Laser line generating device with swivel base Steven R. Levine, Jeffrey Spanski, Derek J. Nash, Leslie Daily Gist 2007-09-18
7222437 Combined stud finder and tape measure device Jeffrey Spanski, Derek J. Nash, Daily Gist, Michael Williams 2007-05-29
7178259 Rolling electronic length measuring device Michael Williams, Jeffrey Spanski, Derek J. Nash, Daily Gist 2007-02-20
7178250 Intersecting laser line generating device Derek J. Nash, Jeffrey Spanski, Michael Williams 2007-02-20
7074250 Air filtration unit Todd Chipner, Mark A. Etter, Angela Denise Shelton, Leslie Daily Gist, Charles Chen 2006-07-11 $3,707,000
7066221 Plate joiner Earl R. Clowers 2006-06-27 $6,237,000
7036414 Work piece guiding system for a table saw Rockne W. Behne, Todd Chipner, Jaime Garcia, Brent Stafford, Zhilong Zhang 2006-05-02 $4,807,000
7036241 Rolling electronic length measuring device Michael Williams, Jeffrey Spanski, Derek J. Nash, Daily Gist 2006-05-02
6896016 Plate joiner Earl R. Clowers 2005-05-24
6893028 Personal motorized vehicle tandem apparatus Charles M. Smith 2005-05-17
6748821 Extendable handle bar assembly 2004-06-15