Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Fred Erb — 2 Patents

SDSquare D: 2 patents #240 of 756Top 35%
Columbia, SC: #390 of 1,151 inventorsTop 35%
South Carolina: #5,837 of 15,501 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Fred Erb has been granted 2 US patents while listed as an inventor at Square D. The first was granted in 1987 and the most recent in August 1988. Fred Erb ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Fred Erb in Columbia, SC, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4766276 Floating jaw retention springs for a switch Michael R. Clark, Miklos J. Orosz 1988-08-23 $4,043,000
4635014 Contactor having a Z-shaped current path for blow-out force reduction Miklos J. Orosz 1987-01-06 $3,364,000