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

Trent A. Eekhoff — 16 Patents

SDSteelcase Development: 4 patents #110 of 472Top 25%
BHBissell Homecare: 3 patents #90 of 244Top 40%
ATAT&T: 3 patents #5,559 of 18,772Top 30%
MMMilsco Manufacturing: 1 patents #13 of 43Top 35%
Grand Rapids, MI: #108 of 1,824 inventorsTop 6%
Michigan: #5,466 of 86,293 inventorsTop 7%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
Trent A. Eekhoff has been granted 16 US patents while listed as an inventor at Steelcase Development. The first was granted in 2000 and the most recent in January 2018. Trent A. Eekhoff ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Trent A. Eekhoff in Grand Rapids, MI, US.

Patents per Year

Patents granted per year, 2000 to 2018Bar chart with a peak of 3 patents in 2000.peak 32000: 3 patents20002002: 3 patents20022003: 3 patents20032009: 3 patents20092010: 1 patents20102016: 2 patents20162018: 1 patents2018

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9873487 Hybrid running surface boat Brad Roy Fishburn, Jacob Steven Vogel, Anthony Duane Williams 2018-01-23
9487273 Relocatable seat and removable/storable seating arrangement for boat Brad Roy Fishburn, Jeremy Scott Warfel, David A. Yoder 2016-11-08
9415836 Hybrid running surface boat Brad Roy Fishburn, Jacob Steven Vogel, Anthony Duane Williams 2016-08-16
7837273 Seat suspension Clifton J. Ratza 2010-11-23
RE40805 Lift-up cleat Warwick M. Whitley, II, Bruce L. Reniger, Elzie McKinney 2009-06-30
7523988 Seat, suspension, bolster and shell Clifton J. Ratza 2009-04-28
7472959 Folding seat Clifton J. Ratza, Ryan Millhouse 2009-01-06
6648419 Shock absorbing seat Clifton J. Ratza, Jeffrey S. Wilcox 2003-11-18
6644751 Shock absorbing seat Clifton J. Ratza, Jeffrey S. Wilcox 2003-11-11 $4,135,000
6588355 Lift-up cleat Warwick M. Whitley, II, Bruce L. Reniger, Elzie McKinney 2003-07-08 $5,173,000
D465360 Boat chair Clifton J. Ratza 2002-11-12
6474738 Flip-up bolster chair Clifton J. Ratza 2002-11-05 $1,172,000
6357830 Shock absorbing seat Clifton J. Ratza, Jeffrey S. Wilcox 2002-03-19
D430715 Design for a handle for vacuum cleaner Douglas J. Medema 2000-09-05
D430369 Handle for an upright vacuum cleaner Douglas J. Medema 2000-08-29
D429041 Upright vacuum cleaner Douglas J. Medema 2000-08-01