Walter Imfeld

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Hombrechtiken, CH

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for detecting CMP endpoint in acidic slurries
- Patent number 6,899,784
- Issue date May 31, 2005
- International Business Machines Corporation
- Leping Li
- B24 - GRINDING POLISHING
Information Patent Grant
Chemiluminescence detection apparatus
- Patent number 6,506,341
- Issue date Jan 14, 2003
- International Business Machines Corporation
- Leping Li
- B24 - GRINDING POLISHING
Information Patent Grant
Probe for slurry gas sampling
- Patent number 6,021,679
- Issue date Feb 8, 2000
- International Business Machines Corporation
- Leping Li
- G01 - MEASURING TESTING
Information Patent Grant
Automated blood analysis system
- Patent number 5,620,898
- Issue date Apr 15, 1997
- Ortho Diagnostic Systems Inc.
- Mykola Yaremko
- G01 - MEASURING TESTING
Information Patent Grant
Automated blood analysis system with an integral centrifuge
- Patent number 5,578,269
- Issue date Nov 26, 1996
- Ortho Diagnostic Systems Inc.
- Mykola Yaremko
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Interface device for sti/bpsg EPD and real time control
- Publication number 20030206114
- Publication date Nov 6, 2003
- Leping Li
- G05 - CONTROLLING REGULATING
Information Patent Application
CHEMILUMINESCENCE DETECTION APPARATUS
- Publication number 20010007772
- Publication date Jul 12, 2001
- LEPING LI
- G01 - MEASURING TESTING