Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert F. Risley — 8 Patents

AMAmbec: 3 patents #2 of 8Top 25%
MSMaterial Handling Systems: 2 patents #15 of 31Top 50%
LLLaitram, L.L.C.: 1 patents #115 of 213Top 55%
PepsiCo: 1 patents #859 of 1,581Top 55%
Wilton, CT: #54 of 353 inventorsTop 20%
Connecticut: #5,708 of 34,797 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Robert F. Risley has been granted 8 US patents while listed as an inventor at Ambec. The first was granted in 1982 and the most recent in June 2010. Robert F. Risley ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Robert F. Risley in Wilton, CT, US.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7726461 Apparatuses and methods for controlling the spacing of and ejecting conveyed objects 2010-06-01
6401904 Method and apparatus for separating objects 2002-06-11
5924549 Container turning device 1999-07-20
5832786 Gold wing hand protector 1998-11-10
5762174 Vacuum conveyor Paul E. Barkely, Gordon S. Lawless 1998-06-09
5605217 Vacuum combiner and vacuum conveyor Paul E. Barkely, Gordon S. Lawless 1997-02-25
5311979 Vacuum combiner Paul Barkley, Gordon S. Lawless 1994-05-17
4331227 Bottle washer discharge sorting arrangement 1982-05-25 $18,318,000