Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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John Stephan — 10 Patents

SDSonoco Development: 3 patents #84 of 354Top 25%
MMMoorman Manufacturing: 2 patents #1 of 17Top 6%
Sheridan, IN: #3 of 31 inventorsTop 10%
Indiana: #3,690 of 33,936 inventorsTop 15%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
John Stephan has been granted 10 US patents while listed as an inventor at Sonoco Development. The first was granted in 1985 and the most recent in March 2022. John Stephan ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list John Stephan in Sheridan, IN, US.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11273323 Light therapy apparatus 2022-03-15
10737110 Light therapy apparatus 2020-08-11
10329074 Method of making a thermally insulated shipper Ajit Ranade 2019-06-25 $25,436,000
9828165 Thermally insulated VIP sandwich shipper Ajit Ranade 2017-11-28 $5,637,000
9687669 Wearable light therapy apparatus 2017-06-27
9272475 Thermally insulated VIP sandwich shipper and method of making same Ajit Ranade 2016-03-01 $7,532,000
8702291 Illuminatable apparatus and method of manufacturing same 2014-04-22
5092793 Swivel apparatus providing strain relief for an electrical conductor 1992-03-03
4654441 Biuret production by controlled pyrolysis of urea Kurt F. Stephan, Steven R. Klein 1987-03-31
4540820 Production of animal feed grade biuret Kurt F. Stephan 1985-09-10