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USPTO Patent Rankings Data through Dec 31, 2025
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Alan Constantine — 4 Patents

SISinclair Systems International: 1 patents #12 of 32Top 40%
Swinton, GB: #18 of 105 inventorsTop 20%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Alan Constantine has been granted 4 US patents while listed as an inventor at Sinclair Systems International. The first was granted in 1981 and the most recent in May 2010. Alan Constantine ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Alan Constantine in Swinton, GB.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7712509 Produce labeler with multiple cassettes at a single station 2010-05-11
7021353 Labeling apparatus Tim Knights, Richard B. Hawkes 2006-04-04
4896793 Labelling machines Peter Briggs, Richard Hirst 1990-01-30
4281766 Method and apparatus for sorting bodies of different densities 1981-08-04