Inventor · disambiguated record
Douglas R. Ervin
Also filed as: ERVIN DOUGLAS R
6 granted patents·65 citations·filing 1992–2001
80Inventor score
Files withSOLAR TURBINES INC6
Top patents by PatentIndex Score
6 records- 0181US5694803AFin folding machine for corrugating sheet materialSOLAR TURBINES INC·Filed 1994·Granted Dec 9, 1997·31 cites·15 claims
- 0273US5333482AMethod and apparatus for flattening portions of a corrugated plateSOLAR TURBINES INC·Filed 1992·Granted Aug 2, 1994·26 cites·21 claims
- 0344US6687979B2System for manufacturing a circular primary surface recuperatorSOLAR TURBINES INC·Filed 2001·Granted Feb 10, 2004·3 cites·11 claims
- 0442US6668446B2Recuperator duct assembly lineSOLAR TURBINES INC·Filed 2001·Granted Dec 30, 2003·2 cites·14 claims
- 0541US6684502B2Method and apparatus for aligning a circular recuperator coreSOLAR TURBINES INC·Filed 2001·Granted Feb 3, 2004·1 cites·9 claims
- 0638US6615471B2Method of locating the blade holders in a fin folding machineSOLAR TURBINES INC·Filed 2001·Granted Sep 9, 2003·2 cites·12 claims
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