Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Keith E. Bowers — 8 Patents

MHMultiform Harvest: 5 patents #1 of 4Top 25%
NUNorth Carolina State University: 2 patents #377 of 1,607Top 25%
OTOstara Nutrient Recovery Technologies: 1 patents #7 of 7Top 100%
WUWashington State University: 1 patents #101 of 252Top 45%
Seattle, WA: #3,798 of 21,776 inventorsTop 20%
Washington: #13,119 of 76,902 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Keith E. Bowers has been granted 8 US patents while listed as an inventor at Multiform Harvest. The first was granted in 2006 and the most recent in August 2021. Keith E. Bowers ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Keith E. Bowers in Seattle, WA, US.

Patents per Year

Patents granted per year, 2006 to 2021Bar chart with a peak of 2 patents in 2006.peak 22006: 2 patents20062012: 1 patents20122014: 1 patents20142016: 1 patents20162018: 1 patents20182019: 1 patents20192021: 1 patents2021

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11091368 Methods and systems for recovering phosphorus from wastewater including digestate recycle 2021-08-17
10189711 Methods and systems for recovering phosphorus from wastewater including digestate recycle 2019-01-29
10099926 Methods and compositions for chemical drying and producing struvite 2018-10-16
9334166 Methods and compositions for chemical drying and producing struvite 2016-05-10
8747672 Process and system for recovering phosphorus from wastewater 2014-06-10
8158089 Compositions and methods for wastewater treatment Tianxi Zhang, Joseph H. Harrison, Shulin Chen 2012-04-17
7005072 Method for removing phosphorus from waste lagoon effluent Philip W. Westerman 2006-02-28
6994782 Apparatus for removing phosphorus from waste lagoon effluent Philip W. Westerman 2006-02-07