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USPTO Patent Rankings Data through Dec 31, 2025
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Charles R. Boyd — 6 Patents

TSTexas Sampling: 5 patents #1 of 2Top 50%
Arroyo Grande, CA: #31 of 174 inventorsTop 20%
California: #94,478 of 386,348 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Charles R. Boyd has been granted 6 US patents while listed as an inventor at Texas Sampling. The first was granted in 1986 and the most recent in February 1997. Charles R. Boyd ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Charles R. Boyd in Arroyo Grande, CA, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5604320 Shroud with removable insert for a closed loop liquid sampler 1997-02-18
5433120 Sampling system for septum closed container John D. Anderson 1995-07-18
5431067 Closed loop liquid sampler and sampling system John D. Anderson 1995-07-11
5361643 LPG sampling system John D. Anderson 1994-11-08
5301560 Closed loop liquid sampler and sampling system John D. Anderson 1994-04-12
4564824 Adjustable-phase-power divider apparatus 1986-01-14