Individual holder
HILLESTAD TOLLIEF O
US·8 granted patents·203 citations·filing 1980–1992
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
8 records- 0182US4449871APortable tube milling toolHILLESTAD TOLLIEF O·Filed 1980·Granted May 22, 1984·37 cites·7 claims
- 0280US5033347ABoiler tube cutting apparatusHILLESTAD TOLLIEF O·Filed 1990·Granted Jul 23, 1991·46 cites·52 claims
- 0379US4889454APortable power tool for milling tube endsHILLESTAD TOLLIEF O·Filed 1988·Granted Dec 26, 1989·31 cites·19 claims
- 0472US4761104APortable tube milling toolHILLESTAD TOLLIEF O·Filed 1985·Granted Aug 2, 1988·24 cites·14 claims
- 0565US5199221ATube cutting apparatusHILLESTAD TOLLIEF O·Filed 1992·Granted Apr 6, 1993·24 cites·18 claims
- 0664US5007778APortable power tool for milling tube endsHILLESTAD TOLLIEF O·Filed 1990·Granted Apr 16, 1991·25 cites·56 claims
- 0745US4620823APortable tube milling toolHILLESTAD TOLLIEF O·Filed 1982·Granted Nov 4, 1986·8 cites·9 claims
- 0843US4915552APortable power tool for milling tube endsHILLESTAD TOLLIEF O·Filed 1989·Granted Apr 10, 1990·8 cites·16 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →