Sil Han

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Wilmette, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Positive release collet
- Patent number 8,684,364
- Issue date Apr 1, 2014
- Sil Han
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Machine tool arbor fitted for tool-less chucking
- Patent number 7,527,270
- Issue date May 5, 2009
- Sil Han
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Gear burnishing system having pre-checking station
- Patent number 6,477,755
- Issue date Nov 12, 2002
- Sil Han
- B24 - GRINDING POLISHING
Information Patent Grant
Precision air chuck with split cam actuator assembly
- Patent number 5,320,365
- Issue date Jun 14, 1994
- Sil Han
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Distortion-free expansion/contraction arbor or chuck assembly
- Patent number 5,149,111
- Issue date Sep 22, 1992
- Sil Han
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Master gear turning assembly
- Patent number 5,003,702
- Issue date Apr 2, 1991
- Sil Han
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
GEAR BURNISHER METHOD AND APPARATUS
- Publication number 20080168640
- Publication date Jul 17, 2008
- Sil HAN
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
POSITIVE RELEASE COLLET
- Publication number 20080169618
- Publication date Jul 17, 2008
- Sil HAN
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Machine tool arbor fitted for tool-less chucking
- Publication number 20050280216
- Publication date Dec 22, 2005
- Sil Han
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Device for gear checking measurement
- Publication number 20020129506
- Publication date Sep 19, 2002
- Sil Han
- G01 - MEASURING TESTING
Information Patent Application
Gear burnishing system having pre-checking station
- Publication number 20020007541
- Publication date Jan 24, 2002
- Sil Han
- B24 - GRINDING POLISHING
Information Patent Application
Torque extension for hex key wrench
- Publication number 20010032530
- Publication date Oct 25, 2001
- Sil Han
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Box reinforcing sheet with self-stick layer
- Publication number 20010031338
- Publication date Oct 18, 2001
- Sil Han
- B32 - LAYERED PRODUCTS