Wilmington Research and Development Corporation

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Newburyport, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Adaptive cooling method for computer rack enclosure
- Patent number 8,348,731
- Issue date Jan 8, 2013
- Wilmington Research and Development Corporation
- Douglas A. Johnson
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Induction driven power supply for circuits accompanying portable he...
- Patent number 6,566,634
- Issue date May 20, 2003
- Wilmington Research and Development Corporation
- Stephen B. Boyd
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Open loop control with velocity threshold for pneumatic hoist
- Patent number 6,547,220
- Issue date Apr 15, 2003
- Wilmington Research and Development Corporation
- Douglas A. Johnson
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Backup power supply charged by induction driven power supply for ci...
- Patent number 6,534,753
- Issue date Mar 18, 2003
- Wilmington Research and Development Corporation
- Stephen B. Boyd
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

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Patents Applicationslast 30 patents

Information Patent Application
Induction driven power supply for circuits accompanying portable he...
- Publication number 20020008102
- Publication date Jan 24, 2002
- Wilmington Research and Development Corporation
- Stephen B. Boyd
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR