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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Keith Buffinga — 4 Patents

Stryker: 2 patents #609 of 1,405Top 45%
STSteelcase: 1 patents #504 of 809Top 65%
SDSteelcase Development: 1 patents #261 of 472Top 60%
Shelbyville, MI: #5 of 21 inventorsTop 25%
Michigan: #22,248 of 86,293 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Keith Buffinga has been granted 4 US patents while listed as an inventor at Stryker. The first was granted in 2005 and the most recent in May 2015. Keith Buffinga ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Keith Buffinga in Shelbyville, MI, US.

Patents per Year

Patents granted per year, 2005 to 2015Bar chart with a peak of 1 patents in 2005.peak 12005: 1 patents20052010: 1 patents20102012: 1 patents20122015: 1 patents2015

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9022706 Energy absorbing fastening system Laike Misikir, Clifford Edwin Lambarth, Vishnu Mallapragada, Alfred James Dacey, IV 2015-05-05 $49,929,000
8307473 Patient transfer device Clifford Edwin Lambarth, Alfred James Dacey, IV, Chris Gentile 2012-11-13 $32,251,000
7837282 Modular storage system Bradley Youngs, Randall P. Nelsen, Timothy J. Wiersma, Kevin J. Longhurst, William A. Korreck +3 more 2010-11-23 $7,879,000
6942306 Modular storage system Bradley Youngs, Randall P. Nelsen, Timothy J. Wiersma, Kevin J. Longhurst, William A. Korreck +3 more 2005-09-13 $2,717,000