Wen Chi Wei

US Patent:

D609483, Feb 9, 2010

Filed:

Jul 11, 2008

Appl. No.:

29/321187

Inventors:

Michael Chen - Los Angeles CA, US
Billy Chen - Los Angeles CA, US
Wen Wei - Los Angeles CA, US

International Classification:

0601

US Classification:

D 6367

US Patent:

D677224, Mar 5, 2013

Filed:

Aug 20, 2012

Appl. No.:

29/429975

Inventors:

Michael Chen - Irvine CA, US
Wen Wei - San Ramon CA, US
Billy Chen - Irvine CA, US

International Classification:

1302

US Classification:

D13110

US Patent:

D683513, May 28, 2013

Filed:

Dec 29, 2011

Appl. No.:

29/409831

Inventors:

Wen Wei - Baldwin Park CA, US
Billy Chen - Baldwin Park CA, US
Michael Chen - Baldwin Park CA, US

International Classification:

1202

US Classification:

D34 19

US Patent:

D686728, Jul 23, 2013

Filed:

Nov 19, 2012

Appl. No.:

29/437641

Inventors:

Michael Chen - Irvine CA, US
Wen Wei - San Ramon CA, US
Billy Chen - Irvine CA, US

International Classification:

2402

US Classification:

D24144

US Patent:

D691263, Oct 8, 2013

Filed:

Nov 19, 2012

Appl. No.:

29/437639

Inventors:

Michael Chen - Irvine CA, US
Wen Wei - San Ramon CA, US
Billy Chen - Irvine CA, US

International Classification:

2402

US Classification:

D24144

US Patent:

20110272976, Nov 10, 2011

Filed:

Sep 22, 2008

Appl. No.:

12/739882

Inventors:

Wen Wei - Los Angeles CA, US
Michael Chen - Los Angeles CA, US
Billy Chen - Los Angeles CA, US

International Classification:

A61G 15/02
A47C 3/00
A47C 7/50
A47C 1/06
A47C 1/10
A61G 15/12
A47C 1/00

US Classification:

29719511, 2973541, 29734412

Abstract:

A tattoo chair, comprises a backrest (), a seat (), a brace () for supporting the said seat (), and a base () for allowing the chair to stand stably, the lower end of the said backrest () is rotatablely attached to the inner side of the said seat (); a supporting fixed plate () is provided under the bottom surface of the said seat (); at least one fixed gear rack () is mounted from top to bottom on the rear surface of the said backrest (); a supporting rod () is provided on the said supporting fixed plate (); one end of the said supporting rod () is rotatablely attached to the said supporting fixed plate (), and the other end is put into one of grooves of the said gear rack () on the rear surface of the said backrest ().

US Patent:

20130038094, Feb 14, 2013

Filed:

Nov 11, 2010

Appl. No.:

13/518149

Inventors:

Michael Chen - Baldwin Park CA, US
Billy Chen - Baldwin Park CA, US
Wen Wei - Baldwin Park CA, US

International Classification:

A47C 4/00

US Classification:

297 42

Abstract:

The present invention discloses a portable folding tattoo chair comprising a left part () and a right part (), the left part () of the chair comprising a left cushion (), a left fixing plate (), a left fixing frame () and a left footing support (); the right part () of the chair comprising a right cushion (), a right fixing plate (), a right fixing frame () and a right footing support (); the left part () and the right part () of the chair being rotatable so as to be folded together, the left footing support () and the right footing support () being rotatable to be folded up. The tattoo chair in unfolding states may provide various auxiliary modes for different tattoo positions. The chair can also be folded after use to save space and transportation cost. The chair can be used as a pushcart to add functionality.

US Patent:

20150202420, Jul 23, 2015

Filed:

Jan 21, 2014

Appl. No.:

14/160069

Inventors:

Wen Wei - Baldwin Park CA, US
Billy Chen - Baldwin Park CA, US
Michael Chen - Baldwin Park CA, US

International Classification:

A61M 37/00

Abstract:

A tattoo machine for oscillating a tattoo needle includes a main housing and a motor secured to the main housing. A needle bar member is movably secured to the main housing for linear oscillation relative thereto. A drive mechanism is operatively connected to an output shaft of the motor and to the needle bar member for translating rotary movement of the output shaft into linear oscillation of the needle bar member.