Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David McLeod — 8 Patents

FSFlexpipe Systems: 2 patents #3 of 6Top 50%
JOJohnson Outdoors: 1 patents #65 of 117Top 60%
Hearst, CA: #5 of 97 inventorsTop 6%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
David McLeod has been granted 8 US patents while listed as an inventor at Flexpipe Systems. The first was granted in 1995 and the most recent in April 2020. David McLeod ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list David McLeod in Hearst, ON, CA.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10632518 Pipe end forming methods and pipe clamp Samuel Glen Bouey, Dave Sheehan, David McColl, Kevin Gartner, Brian Bonner 2020-04-28
10544889 Pipe, pipe connection and pipeline system Samuel Glen Bouey, Dave Sheehan 2020-01-28
10487965 Pipe manipulation apparatus and methods Samuel Glen Bouey, Dave Sheehan, David McColl, Kevin Gartner, Brian Bonner 2019-11-26
9857003 Pipe, pipe connection and pipeline system Samuel Glen Bouey, Dave Sheehan 2018-01-02
7948828 Flasher sonar device with light guide David A. Betts, David E. Malphurs 2011-05-24 $1,507,000
6902205 Coupling for composite pipe Samuel Glen Bouey, Chris A. Lundberg 2005-06-07
6889716 Fiber reinforced pipe Chris A. Lundberg, Samuel Glen Bouey 2005-05-10
5449303 Extendable handle, cleaning device and cleaning heads 1995-09-12