Inventor · disambiguated record
Robert E. Hazard
Also filed as: HAZARD ROBERT E · WILSON WOODROW S
14 granted patents·781 citations·filing 1972–2002
95Inventor score
Top patents by PatentIndex Score
14 records- 0196US4625898ADispensing closure employing living hinge with cams to momentarily deform hinge and recesses to accept camsPOLYTOP CORP·Filed 1984·Granted Dec 2, 1986·121 cites·6 claims
- 0292US4377247ADispensing closure employing living hingePOLYTOP CORP·Filed 1980·Granted Mar 22, 1983·100 cites·6 claims
- 0390US4220248AClosure with hinged lid and cam and spring elements holding lid open or closedPOLYTOP CORP·Filed 1978·Granted Sep 2, 1980·80 cites·10 claims
- 0489US6755327B1Dispensing pump with deformable pump wall and positive shut-offRICHARD H DAVEY INC·Filed 2002·Granted Jun 29, 2004·84 cites·11 claims
- 0589US4124151AToggle type dispensing closurePOLYTOP CORP·Filed 1976·Granted Nov 7, 1978·69 cites·7 claims
- 0686US5409146ADispensing pump with positive shut-offFiled 1993·Granted Apr 25, 1995·80 cites·21 claims
- 0781US3977557AContainer-closure structure employing fitment to prevent closure removalPOLYTOP CORP·Filed 1975·Granted Aug 31, 1976·48 cites·5 claims
- 0875US4081113AChild resistant dispensing closurePOLYTOP CORP·Filed 1976·Granted Mar 28, 1978·37 cites·8 claims
- 0973US4047643ASafety dispensing closure with movable retainerPOLYTOP CORP·Filed 1972·Granted Sep 13, 1977·36 cites·13 claims
- 1067US4081108ATamper evident one-piece dispensing closuresPOLYTOP CORP·Filed 1976·Granted Mar 28, 1978·29 cites·1 claims
- 1167US3957181AChild resistant dispensing closurePOLYTOP CORP·Filed 1975·Granted May 18, 1976·28 cites·5 claims
- 1265US4219138ADispensing closure utilizing a sealing element supported by a washer springPOLYTOP CORP·Filed 1978·Granted Aug 26, 1980·26 cites·6 claims
- 1364US4282991ADispensing closure sealsPOLYTOP CORP·Filed 1980·Granted Aug 11, 1981·30 cites·4 claims
- 1447US3967764AChild-resistant closures with limited spout accessibilityPOLYTOP CORP·Filed 1974·Granted Jul 6, 1976·13 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →