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USPTO Patent Rankings Data through Dec 31, 2025
Home › Interstate Electronics › Frederick T. Buhler
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Frederick T. Buhler — 4 Patents

IEInterstate Electronics: 3 patents #6 of 43Top 15%
Providence, RI: #372 of 1,397 inventorsTop 30%
Rhode Island: #1,523 of 6,211 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Frederick T. Buhler has been granted 4 US patents while listed as an inventor at Interstate Electronics. The first was granted in 1990 and the most recent in May 1992. Frederick T. Buhler ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Frederick T. Buhler in Providence, RI, US.

Patents per Year

Patents granted per year, 1990 to 1992Bar chart with a peak of 2 patents in 1991.peak 21990: 1 patents19901991: 2 patents19911992: 1 patents1992

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5117155 Method and apparatus employing two independent means for nulling an ambient magnetic field — 1992-05-26
5073744 Method and apparatus for dynamic magnetic field neutralization — 1991-12-17
5039911 Apparatus for dynamic magnetic field control — 1991-08-13
4963789 Method and apparatus for dynamic magnetic field neutralization — 1990-10-16

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