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USPTO Patent Rankings Data through Dec 31, 2025
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David Waddleton — 20 Patents

RTX (Raytheon): 19 patents #478 of 15,912Top 4%
Honeywell: 1 patents #15,689 of 16,504Top 100%
Candiac, CA: #7 of 89 inventorsTop 8%
Overall (All Time): #214,803 of 4,157,543Top 6%
20 Patents All Time
David Waddleton has been granted 20 US patents while listed as an inventor at RTX (Raytheon). The first was granted in 1995 and the most recent in December 2024. David Waddleton ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list David Waddleton in Candiac, QC, CA.

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12180895 System and method for purging a fuel manifold of a gas turbine engine through a flow divider valve James Robert Jarvo, Cédric Saintignan, Joseph Daniel Maxim Cirtwill, Kian McCaldon, Marc-Andre Tremblay 2024-12-31
12163474 System and method for purging a fuel manifold of a gas turbine engine using a flow divider assembly Cédric Saintignan, Joseph Daniel Maxim Cirtwill, Kian McCaldon, Marc-Andre Tremblay, Ignazio BROCCOLINI +1 more 2024-12-10
11846236 System and method for purging a fuel manifold of a gas turbine engine using a flow divider assembly Cédric Saintignan, Joseph Daniel Maxim Cirtwill, Kian McCaldon, Marc-Andre Tremblay, Ignazio BROCCOLINI +1 more 2023-12-19
11732653 System and method for purging a fuel manifold of a gas turbine engine through a flow divider valve James Robert Jarvo, Cédric Saintignan, Joseph Daniel Maxim Cirtwill, Kian McCaldon, Marc-Andre Tremblay 2023-08-22
11536201 System and method for purging a fuel manifold of a gas turbine engine through a flow divider valve James Robert Jarvo, Cédric Saintignan, Joseph Daniel Maxim Cirtwill, Kian McCaldon, Marc-Andre Tremblay 2022-12-27
11459958 Rotodynamic pump having a body defining a body cavity with a first and second housing portion defining a portion of an impeller cavity and disposed within the body cavity wherein the body cavity extends at least in part around the second housing portion and the housing portions defining an impeller clearance Benjamin Renaud, Sebastien Bergeron, Etienne Plamondon, Jean-Gabriel Gauvreau 2022-10-04
11391214 System and method for purging a fuel manifold of a gas turbine engine using a flow divider assembly Cédric Saintignan, Joseph Daniel Maxim Cirtwill, Kian McCaldon, Marc-Andre Tremblay, Ignazio BROCCOLINI +1 more 2022-07-19
11280342 Rotodynamic pump and method Benjamin Renaud, Sebastien Bergeron, Etienne Plamondon, Jean-Gabriel Gauvreau 2022-03-22
11261793 Engine fuel system for use with composite aircraft Harris Shafique 2022-03-01
11230979 Aircraft engine fuel system and method Benjamin Renaud, Sebastien Bergeron, Etienne Plamondon, Jean-Gabriel Gauvreau 2022-01-25
11225888 Shared oil system arrangement for an engine component and a generator Daniel Matthew McGuire 2022-01-18
11124312 Aircraft motive flow line 2021-09-21
10793256 Propeller blade angle control system 2020-10-06
10544717 Shared oil system arrangement for an engine component and a generator Daniel Matthew McGuire 2020-01-28
10501169 Propeller blade angle control system 2019-12-10
10465609 Engine fuel system for use with composite aircraft Harris Shafique 2019-11-05
9096326 Nitrogen bubbler system in fuel tank and method Kevin Allan Dooley, Thomas A. Bush 2015-08-04
8572985 Air filtration system for gas turbine engine pneumatic system 2013-11-05
7118336 Pressurized oil supply for propeller engine system 2006-10-10
5417556 Bearing for gear pump 1995-05-23 $11,662,000