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

David Farrell

RTRtr Technologies: 6 patents #1 of 3Top 35%
VSVeritas Medical Solutions: 5 patents #1 of 3Top 35%
Loveland, CO: #83 of 931 inventorsTop 9%
Colorado: #3,430 of 40,980 inventorsTop 9%
Overall (All Time): #360,081 of 4,157,543Top 9%
13 Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
12216219 Radio frequency (RF) ranging in propagation limited RF environments utilizing aerial vehicles Thomas Pattison 2025-02-04
12105187 Dual frequency ranging with calculated integer wavelength delays in RF environments Thomas Pattison 2024-10-01
11971492 Radio frequency (RF) ranging in propagation limited RF environments utilizing aerial vehicles Thomas Pattison 2024-04-30
11719806 Dual frequency ranging with calculated integer wavelength delays in RF environments Thomas Pattison 2023-08-08
11693127 Radio frequency (RF) ranging in propagation limited RF environments utilizing aerial vehicles Thomas Pattison 2023-07-04
11275181 Radio frequency (RF) ranging in propagation limited RF environments utilizing aerial vehicles Thomas Pattison 2022-03-15
11035947 Radio frequency (RF) ranging in propagation limited RF environments Thomas Pattison 2021-06-15
10101435 Radio frequency (RF) ranging in RF-opaque environments Thomas Pattison 2018-10-16
9816267 Masonry block with continuously curved surfaces 2017-11-14
9617776 Motor driven door assembly Robert J. Farrell 2017-04-11
9458661 Sliding door with tortuous leading edge path Herbert Todd Ferrence 2016-10-04
9183957 Masonry block with continuously curved surfaces 2015-11-10
8627601 Rotating radiation shielded entrance assembly 2014-01-14