Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert Grandy — 5 Patents

IRIreco: 1 patents #14 of 30Top 50%
Hinsdale, IL: #73 of 355 inventorsTop 25%
Illinois: #18,025 of 84,256 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Robert Grandy has been granted 5 US patents while listed as an inventor at Ireco. The first was granted in 1988 and the most recent in December 2003. Robert Grandy ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Robert Grandy in Hinsdale, IL, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6655886 Railcar lading anchor 2003-12-02
D465176 Railroad boxcar lading anchor 2002-11-05
5261332 Railcar adapter 1993-11-16
5150658 Railcar adapter 1992-09-29
4785740 Dual purpose wear plate 1988-11-22