Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DW

Douglas K. Ward — 13 Patents

POPowerflow: 5 patents #1 of 5Top 20%
Toronto, CA: #544 of 9,482 inventorsTop 6%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
Douglas K. Ward has been granted 13 US patents while listed as an inventor at Powerflow. The first was granted in 1983 and the most recent in October 2024. Douglas K. Ward ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Douglas K. Ward in Toronto, ON, CA.

Patents per Year

Patents granted per year, 1983 to 2024Bar chart with a peak of 2 patents in 1985.peak 21983: 1 patents19831985: 2 patents1987: 1 patents19871989: 1 patents1993: 1 patents19931998: 1 patents1999: 1 patents19992001: 1 patents2006: 1 patents20062015: 1 patents2019: 1 patents20192024: 1 patents2024

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
12105351 Reconfigurable reflective road marker Ken Miller 2024-10-01
10412905 Expandable plant cover Edward Kish, Mirek Kacprzak, Ken Miller 2019-09-17
8991868 Splash guard attachment clip assembly Ken Miller, Ken Lott, Edward Kish 2015-03-31
7114749 Splash guard kit and assembly 2006-10-03
6193278 Splash guard and method of making Kenneth J. Lott 2001-02-27
D415460 Splash guard Kenneth J. Lott 1999-10-19
5722690 Splash guard Kenneth J. Lott 1998-03-03
D332770 Mud guard Thomas M. Rutter 1993-01-26
D301710 Vehicle splash guard Jerry Moscovitch 1989-06-20
4709938 Splash guard Jerry Moscovitch 1987-12-01
D281774 Vehicle splash guard 1985-12-17
4524986 Splash guard 1985-06-25
D271079 Splash guard clip 1983-10-25