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

John L. Swanson — 6 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
WSWeirton Steeel: 1 patents #25 of 42Top 60%
Windom, MN: #571 of 2,819 inventorsTop 25%
Minnesota: #11,902 of 52,454 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
John L. Swanson has been granted 6 US patents while listed as an inventor at Unknown. The first was granted in 1980 and the most recent in September 1994. John L. Swanson ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list John L. Swanson in Windom, MN, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5346607 Electrolytic tinplating and product Lowell W. Austin 1994-09-13 $5,860,000
5239988 Cardio-pulmonary resuscitation aid Caterina V. Hardy, Alan Blair, Edith R. Blair 1993-08-31
4619061 Snowblower 1986-10-28
4306675 Article divider for boxes 1981-12-22
4291826 Storage container 1981-09-29
D253982 Back support pad 1980-01-22