Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert H. McIntosh, Sr. — 5 Patents

INInterface: 5 patents #15 of 97Top 20%
Greensboro, NC: #272 of 1,557 inventorsTop 20%
North Carolina: #10,126 of 45,564 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Robert H. McIntosh, Sr. has been granted 5 US patents while listed as an inventor at Interface. The first was granted in 1990 and the most recent in December 1995. Robert H. McIntosh, Sr. ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Robert H. McIntosh, Sr. in Greensboro, NC, US.

Patents per Year

Patents granted per year, 1990 to 1995Bar chart with a peak of 2 patents in 1990.peak 21990: 2 patents19901991: 2 patents19911995: 1 patents1995

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5474739 Microbiocidal composition Douglas E. Triestram 1995-12-12 $1,802,000
5032310 Microbiocidal cleansing and disinfecting formulations and preparation thereof 1991-07-16 $2,167,000
5024840 Antimicrobial carpet and carpet tile Lawrence W. Blakely, Michael A. Howe, Daniel F. Pinholster, Jr., Claude E. Terry 1991-06-18 $2,117,000
4957948 Biocidal protective coating for heat exchanger coils Claude E. Terry 1990-09-18 $1,098,000
4908209 Biocidal delivery system of phosphate ester and method of preparation thereof Robert H. McIntosh, Albin F. Turbak 1990-03-13 $1,566,000