David A. Spear

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Manchester, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Swept turbomachinery blade
- Patent number RE45689
- Issue date Sep 29, 2015
- United Technologies Corporation
- David A. Spear
- 001 -
Information Patent Grant
Swept turbomachinery blade
- Patent number RE38040
- Issue date Mar 18, 2003
- United Technologies Corporation
- David A. Spear
- 415 - Rotary kinetic fluid motors or pumps
Information Patent Grant
Swept turbomachinery blade
- Patent number 5,642,985
- Issue date Jul 1, 1997
- United Technologies Corporation
- David A. Spear
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Shrouded fan blade for a turbine engine
- Patent number 5,460,488
- Issue date Oct 24, 1995
- United Technologies Corporation
- David A. Spear
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Flow directing assembly for the compression section of a rotary mac...
- Patent number 5,397,215
- Issue date Mar 14, 1995
- United Technologies Corporation
- David A. Spear
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES