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USPTO Patent Rankings Data through Dec 31, 2025
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Mark Steffenhagen — 6 Patents

WHWhirlpool: 4 patents #962 of 3,480Top 30%
Diagonal, IA: #1 of 1 inventorsTop 100%
Iowa: #2,650 of 15,303 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Mark Steffenhagen has been granted 6 US patents while listed as an inventor at Whirlpool. The first was granted in 1992 and the most recent in July 2019. Mark Steffenhagen ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Mark Steffenhagen in Diagonal, IA, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10343588 Ratchet buckle having a second reel 2019-07-09
9788613 Ratchet buckle having a second reel 2017-10-17
7578141 Water routing system for reversible door refrigerator with dispenser Sooraj Puthiyaveetil, Sinuhe Argumedo, JEFFREY N. WILSON, Frank W. Klitzing, Matthew P. Dieg +2 more 2009-08-25 $21,742,000
7415834 In-door water dispenser with door reversibility Diane E. Marret, Guy E. Garrison, Jill C. Moeller, Johnny R. Revlett, Daryl Lee Reuter +1 more 2008-08-26 $25,878,000
7281391 In-door water dispenser with door reversibility Diane E. Marret, Guy E. Garrison, Jill C. Moeller, Johnny R. Revlett, Daryl Lee Reuter +1 more 2007-10-16 $39,236,000
5117654 Ice conveyor system for refrigerator 1992-06-02 $7,462,000