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USPTO Patent Rankings Data through Dec 31, 2025
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Daniel L. Pierson — 3 Patents

CTControl Technology: 3 patents #3 of 12Top 25%
Hudson, MA: #128 of 327 inventorsTop 40%
Massachusetts: #33,867 of 88,656 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Daniel L. Pierson has been granted 3 US patents while listed as an inventor at Control Technology. The first was granted in 1999 and the most recent in March 2001. Daniel L. Pierson ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Daniel L. Pierson in Hudson, MA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6201996 Object-oriented programmable industrial controller with distributed interface architecture Kenneth C. Crater, William O. Schley 2001-03-13
5997167 Programmable controller including diagnostic and simulation facilities Kenneth C. Crater 1999-12-07
5950006 Object-oriented programmable controller Kenneth C. Crater 1999-09-07