Drexel; Charles F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Drexel; Charles F..The latest application filed is for "mass flow measuring assembly having low pressure drop and fast response time".
- Drexel; Charles F. - Rancho Palos Verdes CA
- Drexel; Charles F. - Rolling Hills CA
- Drexel; Charles F. - Rolling Hills Estates CA
- Drexel; Charles F. - Los Angeles County CA
| Patent | Date |
|---|---|
| Mass flow measuring assembly having low pressure drop and fast response time Grant 6,269,692 - Drexel , et al. August 7, 2 | 2001-08-07 |
| Method for in-line calibration verification of mass flow meters Grant 5,285,673 - Drexel , et al. February 15, 1 | 1994-02-15 |
| Flow sensor Grant 5,259,243 - Drexel , et al. November 9, 1 | 1993-11-09 |
| Fluid mass flow meter device with reduced attitude sensitivity Grant 5,191,793 - Drexel , et al. March 9, 1 | 1993-03-09 |
| Flow control valve assembly minimizing generation and entrapment of contaminants Grant 5,165,655 - Drexel , et al. November 24, 1 | 1992-11-24 |
| Flowmeter Grant 5,044,199 - Drexel , et al. September 3, 1 | 1991-09-03 |
| Adjustable laminar flow bypass Grant 4,524,616 - Drexel , et al. June 25, 1 | 1985-06-25 |
| Fluid flowmeter Grant RE31,570 - Drexel May 1, 1 | 1984-05-01 |
| Energy efficient furnace with movable end wall Grant 4,348,580 - Drexel September 7, 1 | 1982-09-07 |
| Fluid Flowmeter Grant 3,851,526 - Drexel December 3, 1 | 1974-12-03 |
| Fluid Flow Measuring System Grant 3,650,151 - Drexel March 21, 1 | 1972-03-21 |
| Thermal Valve Grant 3,650,505 - Drexel March 21, 1 | 1972-03-21 |
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