Inventor

CHENG LI-FENG

TW4 patents

⚠️ This page may combine multiple inventors who share the name “CHENG LI-FENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

(unassigned)

1 patent

US5853131ADec 29, 1998

Desktop paper shredder

19 citations76

SUNSCIENCE CO LTD E

1 patent

US9334446B2May 10, 2016

Thermal cracker device

SUNSCIENCE CO LTD E3 citations59

E-SUNSCIENCE CO LTD

1 patent

US9399737B2Jul 26, 2016

Insulating and cooling cracking device

E-SUNSCIENCE CO LTD2 citations48

CHENG LI-FENG

1 patent

US8910892B2Dec 16, 2014

Waste tire separation recycling treatment device

CHENG LI-FENG0 citations28