Inventor
Lee-Cheng Chang
Inventor
Taichung, TW
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification25%
B23DPlaning15%
B27BSaws for wood or similar material15%
B25HWorkshop equipment, e.g. for marking-out work10%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing5%
B27CPlaning, drilling, milling, turning or universal machines for wood or similar material5%
B66FHoisting, lifting, hauling or pushing, not otherwise provided for, e.g. devices which apply a lifting or pushing force directly to the surface of a load5%
G05GControl devices or systems insofar as characterised by mechanical features only5%
H04BTransmission5%
LOC125%
PatentTitleYear
RE044057'Locking mechanism for inclination adjustment of a blade of a cutting device'20138,047,106'Wood working lathe'20118,011,399'Woodworking bench'2011RE041857'Locking mechanism for inclination adjustment of a blade of a cutting device'20106,662,945'Toolbox with stereo'20036,658,977'Locking mechanism for inclination adjustment of a blade of a cutting device'20036,516,684'Locking mechanism for a shaper'20036,398,187'Jack'2002D0453941'Planer'2002D0449915'Jack'20015,222,927'Collapsible stepper climber exerciser'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993Patents assigned to CHANG LEE C (1)· patent assignee history
1993–2013Based in Taichung, TW· patent location history
2003Patents assigned to JOINERY IND CO LTD (1)· patent assignee history
2010–2013Patents assigned to BLACK & DECKER INC (2)· patent assignee history
2011–2013Patents assigned to CHANG LEE-CHENG (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHANG LEE-CHENGself | 3 | 2011–2013 |
| BLACK & DECKER INC | 2 | 2010–2013 |
| CHANG LEE Cself | 1 | 1993 |
| JOINERY IND CO LTD | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Taichung, TW | 11 | 1993–2013 |