Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
BK

Bruce E. Knuth — 9 Patents

ACActuant: 6 patents #19 of 173Top 15%
SFSpx Flow: 1 patents #10 of 26Top 40%
Oconomowoc, WI: #60 of 386 inventorsTop 20%
Wisconsin: #5,350 of 40,088 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Bruce E. Knuth has been granted 9 US patents while listed as an inventor at Actuant. The first was granted in 2005 and the most recent in January 2018. Bruce E. Knuth ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Bruce E. Knuth in Oconomowoc, WI, US.

Patents per Year

Patents granted per year, 2005 to 2018Bar chart with a peak of 3 patents in 2013.peak 32005: 1 patents20052008: 2 patents20082013: 3 patents20132014: 2 patents20142018: 1 patents2018

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9856892 Cylinder having a floating piston, swivel cap, and lubricated rod James E. Cooper, Weijiang Chen 2018-01-02 $12,907,000
8876490 Hydro-pneumatic system with pressure limiting valve Frantz D. Stanford, Kay Lap Gilbert Chan 2014-11-04 $7,478,000
8689823 Hydro-pneumatic system with pressure limiting valve Frantz D. Stanford, Kay Lap Gilbert Chan 2014-04-08 $8,312,000
8496449 Air driven hydraulic pump Kay Lap Gilbert Chan, Theo H. H. Den Ridder, Frantz D. Stanford, Roger R. Pili 2013-07-30 $6,294,000
8491707 Fluid storage tank configured to remove entrained air from fluid 2013-07-23
8430122 Fluid tank with contamination containment system 2013-04-30
D573608 Hydraulic pump Kay Lap Gilbert Chan, Theo H. H. Den Ridder, Daniel R. Nett, Douglas S. Rodenkirch, William Lindeman 2008-07-22
7343846 Actuator having external load supporting member Frantz D. Stanford, Jesus Salvador Gonzalez Sanz 2008-03-18 $9,898,000
6863502 Variable speed hydraulic pump Michael B. Bishop, Roger R. Pili, Moe K. Barani, Ron Flanary, Laurentius Andreas Gerardus Mentink +2 more 2005-03-08 $9,129,000