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USPTO Patent Rankings Data through Dec 31, 2025
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David C. Piggott — 11 Patents

QUQuickmill: 7 patents #1 of 3Top 35%
Schreiber, CA: #112 of 2,446 inventorsTop 5%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
David C. Piggott has been granted 11 US patents while listed as an inventor at Quickmill. The first was granted in 1986 and the most recent in July 2014. David C. Piggott ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list David C. Piggott in Schreiber, ON, CA.

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
8770567 Cushioned support platform Gordon Buchholz 2014-07-08
8360406 Clamping device 2013-01-29
8177204 Clamping device 2012-05-15
7972095 Clamping device 2011-07-05
7860601 Profile characterization Andy Chik Hung Wong 2010-12-28
6099215 Clamping device 2000-08-08
5743685 Clamping device for a workpiece processing machine 1998-04-28
4636191 Plastic bag handle aperture forming apparatus 1987-01-13
4610650 Plastic bag handle forming apparatus 1986-09-09
4607556 Coupon cutting machine 1986-08-26
4568322 Plastic bag machine having a separating apparatus 1986-02-04