CD

Charles F. Drexel

DI Dxl International: 5 patents #1 of 3Top 35%
DU Dxl Usa: 4 patents #1 of 4Top 25%
TY Tylan: 4 patents #1 of 3Top 35%
📍 Lomita, CA: #31 of 637 inventorsTop 5%
🗺 California: #46,935 of 386,348 inventorsTop 15%
Overall (All Time): #389,916 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
6269692 Mass flow measuring assembly having low pressure drop and fast response time Hamid Saghatchi 2001-08-07
6138990 Flow control valve assembly for mass flow controller 2000-10-31
5311762 Flow sensor calibration 1994-05-17
5305638 Mass flowmeter having non-adjustable flow splitter Hamid Saghatchi, Daniel T. Mudd 1994-04-26
5285673 Method for in-line calibration verification of mass flow meters Daniel T. Mudd 1994-02-15
5259243 Flow sensor Daniel T. Mudd, Hamid Saghatchi 1993-11-09
5253520 Flow sensor connector Hamid Saghatchi 1993-10-19
5191793 Fluid mass flow meter device with reduced attitude sensitivity Richard F. Blair 1993-03-09
5165655 Flow control valve assembly minimizing generation and entrapment of contaminants Hamid Saghatchi 1992-11-24
5044199 Flowmeter Daniel T. Mudd 1991-09-03
4524616 Adjustable laminar flow bypass Richard F. Blair 1985-06-25
RE31570 Fluid flowmeter 1984-05-01
4348580 Energy efficient furnace with movable end wall 1982-09-07