Assignee
QUIGLEY CO
US·12 granted patents·166 citations·filing 1974–1995
Top patents by PatentIndex Score
12 records- 0181US4451293ASlag-forming agent and process for producing the agentQUIGLEY CO·Filed 1982·Granted May 29, 1984·14 cites·12 claims
- 0279US3950504AProcess for producing magnesium aluminate spinelQUIGLEY CO·Filed 1974·Granted Apr 13, 1976·41 cites·5 claims
- 0368US5124288ARefractory material containing calcium carbonate-stabilized synthetic dolomiteQUIGLEY CO·Filed 1991·Granted Jun 23, 1992·28 cites·5 claims
- 0455US5299933ARotary kiln with a polygonal liningQUIGLEY CO·Filed 1991·Granted Apr 5, 1994·14 cites·22 claims
- 0554US5073525ALightweight tundish refractory compositionQUIGLEY CO·Filed 1989·Granted Dec 17, 1991·17 cites·27 claims
- 0650US5460518ARotary kiln with a cast polygonal liningQUIGLEY CO·Filed 1994·Granted Oct 24, 1995·12 cites·10 claims
- 0748US4181258ASprayer for repairing refractory liningQUIGLEY CO·Filed 1978·Granted Jan 1, 1980·6 cites·8 claims
- 0847US5616023ARotary kiln with a polygonal liningQUIGLEY CO·Filed 1995·Granted Apr 1, 1997·10 cites·6 claims
- 0944US5423521ACeramic plug gas distribution deviceQUIGLEY CO·Filed 1992·Granted Jun 13, 1995·6 cites·37 claims
- 1039US4843044ARefractory compositionQUIGLEY CO·Filed 1988·Granted Jun 27, 1989·10 cites·8 claims
- 1130US4860422ARebuilding of the stack, bosh and hearth of a blast furnace using a remote controlled refractory gunning deviceQUIGLEY CO·Filed 1987·Granted Aug 29, 1989·7 cites·4 claims
- 1217US5001092ASodium sulfate containing refractory compositionQUIGLEY CO·Filed 1988·Granted Mar 19, 1991·1 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →