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USPTO Patent Rankings Data through Dec 31, 2025
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Charles A. Haik — 4 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Sauk Centre, MN: #32 of 100 inventorsTop 35%
Minnesota: #16,016 of 52,454 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Charles A. Haik has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 2012 and the most recent in May 2024. Charles A. Haik ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Charles A. Haik in Sauk Centre, MN, US.

Patents per Year

Patents granted per year, 2012 to 2024Bar chart with a peak of 1 patents in 2012.peak 12012: 1 patents20122018: 1 patents20182021: 1 patents20212024: 1 patents2024

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11986435 Walker device for gait training Katherine Haik 2024-05-21
11000440 Walker device for gait training Katherine Haik 2021-05-11
9956131 Method for gait training using walker device Katherine Haik 2018-05-01
8251079 Walker device for gait training Katherine Lutz 2012-08-28

Frequent Collaborators

Katherine Haik3 shared
Katherine Lutz1 shared

Nearby-Ranked Inventors

Jagadeesh Kandasamy4
Ross CABOT4
George Ueda4
Franz A. Gruswitz4
Tommy Glimberg4
Vinayakaraddy Gulabal4
Sandra Bittorf4
Aviel FOGEL4
Eric Matthew Walton4