Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Stephen Rowlay — 33 Patents

BDBlack & Decker: 31 patents #89 of 2,745Top 4%
Two Dales, GB: #1 of 18 inventorsTop 6%
Overall (All Time): #105,480 of 4,157,543Top 3%
33 Patents All Time
Stephen Rowlay has been granted 33 US patents. The first was granted in 1999 and the most recent in September 2025. Stephen Rowlay ranks #105,480 of 4,157,543 US inventors in our database (top 2.5%). Patent records list Stephen Rowlay in Two Dales, GB.

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12410041 Lifting and lowering tool Ralf Strauss, Robin E. Smith 2025-09-09
12179374 Pivoting ramped blade lock Ralf Strauss 2024-12-31 $86,899,000
12162176 Utility knife Frederick S. Hansen, David A. Webb 2024-12-10 $87,818,000
11571824 Utility knife Frederick S. Hansen, David A. Webb 2023-02-07 $103,380,000
10661365 Folding multi saw 2020-05-26 $175,813,000
10252428 Utility knife with skewed pivotal blade lock Eric Ranieri, Thomas Pelletier 2019-04-09 $136,101,000
9421672 Clamp assembly Robert Christie, James Spaulding, Karl Vanderbeek, Nidta Viyakornvilas 2016-08-23 $64,648,000
8793881 Utility knife with blade lock Edward Iliffe, Martin Charles Price 2014-08-05 $35,265,000
8783671 Clamp Eric Ranieri, Robert Christie, Stephen J. Skeels 2014-07-22 $62,111,000
8763260 Modular saw Eric Ranieri, Robert Christie 2014-07-01 $66,247,000
8683703 Utility knife with blade wiper Edward Iliffe 2014-04-01 $61,573,000
8567070 Utility knife with blade snapper Edward Iliffe 2013-10-29 $65,197,000
8549755 Compact utility knife Eric Ranieri, Gary Van Deursen 2013-10-08 $49,630,000
8413339 Quick change snap off knife Eric Ranieri, Brian Keers 2013-04-09 $30,775,000
8312632 Saw blade handle with replaceable blades Stewart Hawley 2012-11-20 $29,641,000
7930829 Compact utility knife Eric Ranieri, Gary Van Deursen 2011-04-26 $52,833,000
7797836 Compact utility knife Eric Ranieri, Gary Van Deursen 2010-09-21 $48,938,000
7603779 Double ended knife 2009-10-20 $13,963,000
7604224 Motorized clamp John Alexander 2009-10-20 $13,963,000
7520059 Compact utility knife Eric Ranieri, Gary Van Deursen 2009-04-21 $18,962,000
7389978 Adjustable clamp Keith M. Lombardi, Alisdair Cumming 2008-06-24 $16,484,000
7296354 Combination utility and sporting knife Gary Van Deursen, Craig Roberts 2007-11-20 $5,797,000
7131642 Adjustable clamp Keith M. Lombardi, Alisdair Cumming 2006-11-07 $9,944,000
7090209 Adjustable clamp and method of using an adjustable clamp 2006-08-15 $18,467,000
6971178 Replaceable blade knife 2005-12-06 $18,410,000