Assignee
CHUM POWER MACHINERY CORP
TW·10 granted patents·371 citations·filing 1998–2008
Top patents by PatentIndex Score
10 records- 0192US5988653AAuto-locking bit holding system of a hand toolCHUM POWER MACHINERY CORP·Filed 1998·Granted Nov 23, 1999·95 cites·12 claims
- 0290US5992859ABit holding system for a power hand toolCHUM POWER MACHINERY CORP·Filed 1998·Granted Nov 30, 1999·80 cites·4 claims
- 0387US6247706B1Self-locking chuckCHUM POWER MACHINERY CORP·Filed 1999·Granted Jun 19, 2001·68 cites·6 claims
- 0472US6471038B1Container conveying apparatusCHUM POWER MACHINERY CORP·Filed 2000·Granted Oct 29, 2002·22 cites·17 claims
- 0570US6554289B1Anti-slip type electric drill chuckCHUM POWER MACHINERY CORP·Filed 2001·Granted Apr 29, 2003·29 cites·17 claims
- 0669US6413034B1Distributing/feeding deviceCHUM POWER MACHINERY CORP·Filed 2000·Granted Jul 2, 2002·26 cites·7 claims
- 0764US7473092B2Adjusting structure for adjusting distance between preformsCHUM POWER MACHINERY CORP·Filed 2004·Granted Jan 6, 2009·4 cites·2 claims
- 0861US7641846B2Method for adjusting distance between preforms and adjusting structure of the methodCHUM POWER MACHINERY CORP·Filed 2008·Granted Jan 5, 2010·0 cites·6 claims
- 0960US5934690AChuck unit of a power hand toolCHUM POWER MACHINERY CORP·Filed 1998·Granted Aug 10, 1999·24 cites·3 claims
- 1059US5944328AChuckCHUM POWER MACHINERY CORP·Filed 1998·Granted Aug 31, 1999·23 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →