DR

David T. Ross

SI Snap-On Incorporated: 22 patents #15 of 458Top 4%
Overall (All Time): #190,386 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12370653 Dual pawl ratchet mechanism 2025-07-29
11986928 Pawl mechanism for ratchet tool 2024-05-21
11865678 Dual pawl ratchet mechanism 2024-01-09
11772247 Indexable ratchet tool 2023-10-03
11691249 Push button release mechanism for pliers David T. Doyle, Richard L. Hopper 2023-07-04
11646539 Pliers with angled crimping opening Gary S. Wollert, Anup A. Gupte, Daniel M. Eggert 2023-05-09
11548125 Grooved drive for ratchet tools 2023-01-10
11511401 Flex joint lock button Christopher D. Thompson 2022-11-29
11426841 Internal gear retention mechanism 2022-08-30
11303083 Pliers with angled crimping opening Gary S. Wollert, Anup A. Gupte, Daniel M. Eggert 2022-04-12
10870186 Dual pawl ratchet mechanism and reversing method 2020-12-22
10864616 Ratchet mechanism for ratchet wrench Christopher D. Thompson, Daniel M. Eggert 2020-12-15
10807217 Ratchet gear reinforcing ring Richard L. Hopper 2020-10-20
10549407 Ratchet mechanism spring 2020-02-04
10322497 Bias member for reducing ratcheting arc Christopher D. Thompson, Daniel M. Eggert 2019-06-18
10118278 Ratchet wrench including retaining ring Christopher D. Thompson, Daniel M. Eggert 2018-11-06
9844860 Ratchet mechanism spring 2017-12-19
9296093 Bias and reversing mechanism for roller clutch ratchet 2016-03-29
RE44655 Bias assembly for ratchet tools Steven R. Wente 2013-12-24
7987747 Bias assembly for ratchet tools Steven R. Wente 2011-08-02
7540576 Drawer fronts 2009-06-02
7481135 Hand tool with adjustable head Michael D. Schoenbeck, Christopher D. Thompson, Jeffery H. Hoff 2009-01-27