P

Inventor

ZHOU WENHUA

CN11 patents
⚠️ This page may combine multiple inventors who share the name “ZHOU WENHUA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZHEJIANG SANOU MACHINERY CO LTD

5 patents
US10166609B2Jan 1, 2019

Self-locking drill chuck

ZHEJIANG SANOU MACHINERY CO LTD2 citations62
US11786979B2Oct 17, 2023

Strength-boosting drill chuck

ZHEJIANG SANOU MACHINERY CO LTD0 citations44
US11458547B2Oct 4, 2022

Self-locking drill chuck

ZHEJIANG SANOU MACHINERY CO LTD0 citations39
US10272499B2Apr 30, 2019

Self-locking drill chuck

ZHEJIANG SANOU MACHINERY CO LTD0 citations31
US10252347B2Apr 9, 2019

Self-locking drill chuck

ZHEJIANG SANOU MACHINERY CO LTD0 citations28

(unassigned)

3 patents
US6899343B2May 31, 2005

Manually tightened chuck

4 citations59
US6612587B2Sep 2, 2003

Manually tightened chuck

3 citations59
US6899342B2May 31, 2005

Manually tightened chuck

0 citations38

CISCO TECH INC

1 patent
US7733949B2Jun 8, 2010

Wireless communications system with reduced sideband noise and carrier leakage

CISCO TECH INC33 citations92

NAVINI NETWORKS INC

1 patent
US7289082B2Oct 30, 2007

Panel antenna array

NAVINI NETWORKS INC2 citations59

FANG LEI

1 patent
US9347152B2May 24, 2016

Combined frictional false twisting device for ring spinning frame

FANG LEI0 citations25