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POWER TOOL HOLDERS INC

Overview
  • Total Patents
    475
About

POWER TOOL HOLDERS INC has a total of 475 patent applications. Its first patent ever was published in 1990. It filed its patents most often in United States, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machines, machine tools and mechanical elements are FORKARDT DEUTSCHLAND GMBH, JANCY ENG and STELLRAM GMBH.

Patent filings per year

Chart showing POWER TOOL HOLDERS INCs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Kanaan Roger J 82
#2 Barton Christopher B 65
#3 Steadings Stephen W 49
#4 Miles Kevin C 43
#5 Salpaka Glenn L 39
#6 Montjoy Kenneth M 38
#7 Huff Robert O 38
#8 Aultman William H 36
#9 Nakamura Daijiro 34
#10 Huggins Mark S 32

Latest patents

Publication Filing date Title
US6834864B2 Chuck having quick change mechanism
US6572310B2 Self-cleaning drill chuck
US6648341B1 Chuck with helical jaw bite
WO0216066A1 Chuck and power driver having improved interface assembly
US6688610B2 Chuck with quick change
GB0322647D0 Locking chuck
US6533291B2 Chuck having quick change mechanism
US6505840B2 Quick change chuck
US6502836B1 Chuck with spring leg dust cover
GB0029620D0 Power driver having geared tool holder
US6224305B1 Electronic lever for remotely actuating a chuck device
US6398226B1 Chuck with one-way lock
US6540237B1 Chuck
GB0011191D0 Chuck
GB0010981D0 Chuck
GB0200402D0 Chuck
US6428018B1 Chuck
US6354605B1 Chuck with improved jaw
US6390481B1 Locking chuck
US6402160B1 Chuck with improved bearing