Benjamin Dolgin

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Northridge, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Ultrasonic/sonic mechanism of deep drilling (USMOD)
- Patent number 6,968,910
- Issue date Nov 29, 2005
- Yoseph Bar-Cohen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Smart-ultrasonic/sonic driller/corer
- Patent number 6,863,136
- Issue date Mar 8, 2005
- Yoseph Bar-Cohen
- B64 - AIRCRAFT AVIATION COSMONAUTICS

Patents Applicationslast 30 patents

Information Patent Application
Folded horns for vibration actuators
- Publication number 20040047485
- Publication date Mar 11, 2004
- Stewart Sherrit
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
Smart-ultrasonic/sonic driller/corer
- Publication number 20040007387
- Publication date Jan 15, 2004
- Yoseph Bar-Cohen
- E21 - EARTH DRILLING MINING
Information Patent Application
Ultrasonic/sonic mechanism of deep drilling (USMOD)
- Publication number 20030116355
- Publication date Jun 26, 2003
- Yoseph Bar-Cohen
- E21 - EARTH DRILLING MINING