Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Philip J. Blizzard — 15 Patents

THThundershirt: 15 patents #1 of 7Top 15%
Durham, NC: #316 of 4,103 inventorsTop 8%
North Carolina: #3,282 of 45,564 inventorsTop 8%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
Philip J. Blizzard has been granted 15 US patents while listed as an inventor at Thundershirt. The first was granted in 2012 and the most recent in January 2025. Philip J. Blizzard ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Philip J. Blizzard in Durham, NC, US.

Patents per Year

Patents granted per year, 2012 to 2025Bar chart with a peak of 4 patents in 2013.peak 42012: 1 patents20122013: 4 patents20132014: 1 patents20142016: 3 patents20162017: 2 patents20172018: 2 patents20182020: 1 patents20202025: 1 patents2025

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
12185695 Pressure-applying garment for animals 2025-01-07
10667493 Convertible leash and harness system and method Michael T. Schwartz 2020-06-02
9911368 Tag holder 2018-03-06
9877465 Convertible leash and harness system and method Michael T. Schwartz 2018-01-30
D805265 Pet tag holder 2017-12-12
9810256 Lock ring Michael Creighton 2017-11-07
9474251 Pressure-applying animal garment 2016-10-25
9468195 Convertible leash and harness system and method Michael T. Schwartz 2016-10-18
D757376 Harness and leash adapter 2016-05-24
8899189 Pressure-applying garment for animals 2014-12-02
8459211 Pressure-applying garment for animals 2013-06-11
D683083 Animal garment 2013-05-21
D677021 Animal garment 2013-02-26
D677020 Animal garment 2013-02-26
8291867 Pressure-applying garment for animals 2012-10-23