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

Mark D. Hedstrom — 9 Patents

NTNumat Technologies: 2 patents #9 of 20Top 45%
ABAcuity Brands: 1 patents #127 of 148Top 90%
Naples, FL: #107 of 980 inventorsTop 15%
Florida: #6,161 of 67,251 inventorsTop 10%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Mark D. Hedstrom has been granted 9 US patents while listed as an inventor at Numat Technologies. The first was granted in 1981 and the most recent in April 2024. Mark D. Hedstrom ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Mark D. Hedstrom in Naples, FL, US.

Patents per Year

Patents granted per year, 1981 to 2024Bar chart with a peak of 2 patents in 1993.peak 21981: 1 patents19811983: 1 patents19831992: 1 patents19921993: 2 patents19932014: 1 patents20142016: 2 patents20162024: 1 patents2024

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
11974173 Wired telephone to volte adapter Taylor Jonathan Stroobosscher, Matthew Terry Miller, John Nicholas Shevillo 2024-04-30
9485116 Cellular phone line replacement adapter 2016-11-01
9402326 Fixed relocatable wireless device 2016-07-26
8676254 Cellular phone line replacement adapter 2014-03-18
5272448 Method and apparatus to perform digital demodulation by measuring periods between zero crossings Robert B. Porter, Charles R. Crego 1993-12-21
5239273 Digital demodualtor using signal processor to evaluate period measurements Charles R. Crego, Robert B. Porter 1993-08-24
5159281 Digital demodulator using numerical processor to evaluate period measurements Robert B. Porter, Charles R. Crego 1992-10-27
4387529 Electronic insect killer 1983-06-14
4248005 Electronic insect killer 1981-02-03