DZ

David J. Zawilinski

Hamilton Sundstrand: 19 patents #109 of 2,079Top 6%
📍 Granby, CT: #10 of 199 inventorsTop 6%
🗺 Connecticut: #2,139 of 34,797 inventorsTop 7%
Overall (All Time): #229,288 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
12313011 Self-actuated bleed valves for gas turbine engines Robert Goodman, Scott W. Simpson 2025-05-27
12268981 Motorized valve with washing filter extending from a bleed conduit inlet into valve duct August M. Coretto, Scott W. Simpson, Peter J. Dowd, Robert DeFelice, John M. Dehais 2025-04-08
12092236 Positioning valve control system Scott W. Simpson, Robert Goodman 2024-09-17
11994177 Universal joint connection for the manual positioning of an angularly offset valve shaft drive Peter J. Dowd, John M. Dehais 2024-05-28
11982358 Inline pneumatic valve with internal bushing August M. Coretto, Scott W. Simpson, Donald E. Army, Peter J. Dowd 2024-05-14
11906063 Pressure actuated switching valve August M. Coretto, Scott W. Simpson 2024-02-20
11557952 Torque motor housing Robert DeFelice 2023-01-17
11441426 Valve assembly configured with manifold having eutectic plug Scott W. Simpson, Robert DeFelice 2022-09-13
11313473 Butterfly valve with vibration resistant mount Scott W. Simpson, Calvin R. Parent 2022-04-26
11067176 Crank pin configuration for butterfly valve Robert DeFelice 2021-07-20
11053949 Passively controlled inline bleed valves Robert DeFelice, Scott W. Simpson 2021-07-06
10865739 Valve system Josh Kamp, Scott W. Simpson 2020-12-15
10844740 Air turbine starter with turbine air exhaust outlet valve Scott W. Simpson, Takao Fukuda 2020-11-24
9028208 Air turbine starter turbine nozzle airfoil Jeffrey M. Makulec, Bradley Thomas Ryan, Matthew Allen Slayter 2015-05-12
8672620 Air turbine starter turbine nozzle airfoil Jeffrey M. Makulec, Matthew Allen Slayter 2014-03-18
8672637 Air turbine starter turbine blade airfoil Jeffrey M. Makulec, Matthew Allen Slayter 2014-03-18
8672638 Air turbine starter Jeffrey M. Makulec, Bradley Thomas Ryan, Matthew Allen Slayter 2014-03-18
8651806 Air turbine starter inlet housing assembly airflow path Jeffrey M. Makulec, Matthew Allen Slayter 2014-02-18
7871240 Helical spring damper W. Clark Dean 2011-01-18