Grewell; David A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Grewell; David A..The latest application filed is for "ultrasonic welding using amplitude profiling".
- Grewell; David A. - Ames IA
- Grewell; David A. - Cincinnati OH
- Grewell; David A. - Waterbury CT
- Grewell; David A. - New Haven County CT
- Grewell; David A. - Columbus OH
| Patent | Date |
|---|---|
| Ultrasonic Welding Using Amplitude Profiling App 20100176184 - Sheehan; James F. ; et al. | 2010-07-15 |
| Ultrasonic Welding Using Amplitude Profiling App 20080054051 - Sheehan; James F. ; et al. | 2008-03-06 |
| Electronic masking laser imaging system Grant 6,867,388 - Grewell , et al. March 15, 2 | 2005-03-15 |
| Electronic masking laser imaging system App 20040200812 - Grewell, David A. ; et al. | 2004-10-14 |
| Light guide for laser welding Grant 6,528,755 - Grewell , et al. March 4, 2 | 2003-03-04 |
| Light guide for laser welding App 20020008089 - Grewell, David A. ; et al. | 2002-01-24 |
| Laser diode array Grant 6,205,160 - Grewell March 20, 2 | 2001-03-20 |
| Simultaneous amplitude and force profiling during ultrasonic welding of thermoplastic workpieces Grant 5,855,706 - Grewell January 5, 1 | 1999-01-05 |
| Welding system and method of setting welding machine parameters Grant 5,772,814 - Grewell June 30, 1 | 1998-06-30 |
| Method for processing workpieces by ultrasonic energy Grant 5,658,408 - Frantz , et al. * August 19, 1 | 1997-08-19 |
| Thermoplastic welding Grant 5,313,034 - Grimm , et al. May 17, 1 | 1994-05-17 |
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