Assignee
WHIRL AIR FLOW CORP
US·5 granted patents·75 citations·filing 1976–1985
Top patents by PatentIndex Score
5 records- 0181US4050635AMethod and apparatus for reclaiming sandWHIRL AIR FLOW CORP·Filed 1976·Granted Sep 27, 1977·22 cites·8 claims
- 0265US4576572AApparatus and method for cleaning contaminated soilWHIRL AIR FLOW CORP·Filed 1985·Granted Mar 18, 1986·26 cites·15 claims
- 0359US4518350AApparatus and method for calcining sandWHIRL AIR FLOW CORP·Filed 1984·Granted May 21, 1985·11 cites·20 claims
- 0445US4274787ABag opening and emptying apparatusWHIRL AIR FLOW CORP·Filed 1978·Granted Jun 23, 1981·9 cites·5 claims
- 0537US4278383ABag opening and emptying apparatusWHIRL AIR FLOW CORP·Filed 1978·Granted Jul 14, 1981·7 cites·6 claims
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