Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DR

Daniel Roy — 11 Patents

SASappel: 1 patents #2 of 9Top 25%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Derry, NH: #20 of 295 inventorsTop 7%
New Hampshire: #1,342 of 12,181 inventorsTop 15%
Overall (All Time): #448,318 of 4,157,543Top 15%
11 Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
11719053 Method of using a rod positioning device 2023-08-08
11125029 Rod positioning device 2021-09-21
11067283 Heating device David Roy, Norm Roy 2021-07-20
10400525 Rod positioning device 2019-09-03
10047960 Heating device David Roy, Norm Roy 2018-08-14
9227192 Chipper striker assembly David Roy, Norm Roy 2016-01-05
9095854 Chipper striker assembly David Roy, Norm Roy 2015-08-04
8178795 Method for retrofitting air plenum grommets 2012-05-15
6568026 Portable back pack vacuum Lawrence Roy 2003-05-27
6401866 Machine for leveling a ladder on an uneven surface 2002-06-11
4561312 Turbine for a multijet liquid flow meter 1985-12-31