David K. Johansen

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Lake In The Hills, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Systems for providing controlled power to ultrasonic welding probes
- Patent number 7,475,801
- Issue date Jan 13, 2009
- Dukane Corporation
- David K. Johansen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Multiple probe power systems and methods for ultrasonic welding
- Patent number 7,225,965
- Issue date Jun 5, 2007
- Dukane Corporation
- David K. Johansen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Automatic regulation of power delivered by ultrasonic transducer
- Patent number 5,880,580
- Issue date Mar 9, 1999
- Dukane Corporation
- David K. Johansen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Systems for providing controlled power to ultrasonic welding probes
- Publication number 20070163349
- Publication date Jul 19, 2007
- Dukane Corporation
- David K. Johansen
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
Multiple probe power systems and methods for ultrasonic welding
- Publication number 20060213952
- Publication date Sep 28, 2006
- Dukane Corporation
- David K. Johansen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Multiple probe power systems and methods for ultrasonic welding
- Publication number 20060011707
- Publication date Jan 19, 2006
- Dukane Corporation
- David K. Johansen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Multiple probe power systems and methods for ultrasonic welding
- Publication number 20050061848
- Publication date Mar 24, 2005
- David K. Johansen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR