Below are some of the patents awarded to Dave Korpi

Mechanical Resonators Using Liquid Metals.. AKA Bulk Solidified Amorphous Alloy  A very important patent for improvements in Inertial Microbalances, Coriolis Mass Flow Meters, Vortex Meters, and other resonant structures. 

A novel use of bulk-solidifying amorphous metal alloys, frequently called “liquid metals”, are disclosed as a preferred material of construction for the manufacture of mechanical resonators, such as mechanical resonators utilized in the following: systems using tuning forks and variants of tuning forks, inertial microbalances, vibrating level detectors, vibrating viscosity and rheology measuring instruments, vibrating tube meters, such as Coriolis mass flow meters, vibrating structure gyroscopes, vortex flow meters, sonotrodes for various applications such as welding and medical applications, and piezoelectric activated mechanical resonators. A method of attaining high mechanical Q factors, sensitivity, elasticity, hardness, and high specific strength properties offered by the use of bulk-solidifying amorphous metal alloys in the manufacture of mechanical resonators is disclosed.

1. Method and apparatus for improved flow rate measurement and ...

   patents.google.comUS Pat. 5684246 - Filed Feb 8, 1996 - Issued Nov 4, 1997 - Sierra Instruments, Inc. 4, 1997 [54] METHOD AND APPARATUS FOR IMPROVED FLOW RATE MEASUREMENT AND CALIBRATION [75] Inventor: David M. Korpi, Salinas, Calif. ... Overview - Abstract - Drawing - Description - Claims

2. Microbalance with reduced temperature and / or pressure sensitivity

   patents.google.comUS Pat. 6444927 - Filed Aug 13, 2001 - Issued Sep 3, 2002 ... OR PRESSURE SENSITIVITY (76) Inventor: David Michael Korpi, 22642 Indian Springs Rd., Salinas, CA (US) 93908 ( * ) Notice: Subject to any disclaimer,... Overview - Abstract - Drawing - Description - Claims

3. Mechanical resonators fabricated out of bulk-solidifying amorphous ...

   patents.google.comUS Pat. App 11562058 - Filed Nov 21, 2006 US 2008/0118759 Al Korpi (43) Pub. ... AMORPHOUS METAL ALLOYS (76) Inventor: David M. Korpi, Salinas, CA (US) Correspondence Address: DAVIDMICHAEL KORPI ... Overview - Abstract - Drawing - Description - Claims

4. Mass flowmeter

   patents.google.comUS Pat. 4487062 - Filed Mar 30, 1983 - Issued Dec 11, 1984 - Sierra Instruments, Inc. 11, 1984 [54] MASS FLOWMETER [75] Inventors: John G. Olin, Carmel Valley;David M. Korpi, Monterey, both of Calif. [73] Assignee: Sierra Instruments, Inc.,... Overview - Abstract - Drawing - Description - Claims

5. Oscillating Inertial Microbalance and Method of Passive Compensation

   patents.google.comUS Pat. App 10904074 - Filed Oct 21, 2004 - David Michael Korpi SALINAS, CA 93908 (US) (73) Assignee: David Michael Korpi, Salinas, CA (US) (21) Appl. No.: 10/904074 (22) Filed: Oct. 21, 2004 Publication Classification ... Overview - Abstract - Drawing - Description - Claims

6. Thermal mass flow sensor

   patents.google.comUS Pat. 5880365 - Filed Jan 17, 1997 - Issued Mar 9, 1999 - Sierra Instruments, Inc. 9, 1999 [54] THERMAL MASS FLOW SENSOR [56] References Cited [75] Inventors: John G. Olin, Carmel Valley; David US PATENT DOCUMENTS M.Korpi, Salinas; ... Overview - Abstract - Drawing - Description - Claims

7. Method of manufacturing a microbalance

   patents.google.comUS Pat. App 10188823 - Filed Jul 5, 2002 US 2003/0066689 Al Korpi (43) Pub. ... Inventor: David Michael Korpi, Salinas, CA (US) Correspondence Address: DAVID MICHAEL KORPI 22642 INDIAN SPRINGS RD. ... Overview - Abstract - Drawing - Description - Claims

8. Wide-range, adjustable flowmeter

   patents.google.comUS Pat. 4800754 - Filed Oct 7, 1987 - Issued Jan 31, 1989 - Sierra Instruments, Inc. United States Patent [19] [ii] Patent Number: 4800754 Korpi [45] Date of Patent:... ADJUSTABLE FLOWMETER [75] Inventor: David M. Korpi, Monterey, Calif. ... Overview - Abstract - Drawing - Description - Claims

9. Inertial Microbalance Filter Assembly

   patents.google.comUS Pat. App 12757808 - Filed Apr 9, 2010 - Sierra Instruments US 2010/0258357 Al Korpi (43) Pub. Date: Oct. 14, 2010 (54) INERTIAL MICROBALANCE ... Inventor: David Michael Korpi, Pacific Grove, CA (US) Correspondence ... Overview - Abstract - Drawing - Description - Claims

10. Intelligent gas flow measurement and leak detection apparatus

    patents.google.comUS Pat. 5861546 - Filed Aug 20, 1997 - Issued Jan 19, 1999 4800754 naming David M. Korpi as the inventor and Sierra Instruments, ...4487062 naming John G. Olin and David M. Korpi as inventors and Sierra Instruments ...

Some recent Patents in Application for Dave Korpi

Bulk Solidified Amorphous Alloy Resonator