Assignee
HOLDT J W VON
US·50 granted patents·1,871 citations·filing 1975–1998
Top patents by PatentIndex Score
50 records- 0197US4512493AMolded bucket and lid having high stack strengthHOLDT J W VON·Filed 1983·Granted Apr 23, 1985·140 cites·9 claims
- 0297US4210258ASeal for plastic buckets and cansHOLDT J W VON·Filed 1978·Granted Jul 1, 1980·125 cites·19 claims
- 0395US4125246APivot assembly mold apparatusHOLDT J W VON·Filed 1977·Granted Nov 14, 1978·82 cites·26 claims
- 0493US4533312ASimplified collapsible mold coreHOLDT J W VON·Filed 1982·Granted Aug 6, 1985·82 cites·12 claims
- 0591US4735337APlastic lid having opening meansHOLDT J W VON·Filed 1987·Granted Apr 5, 1988·89 cites·12 claims
- 0691US4574974AContainer having a snap-on lidHOLDT J W VON·Filed 1984·Granted Mar 11, 1986·73 cites·15 claims
- 0791US4286766ACollapsible mold coreHOLDT J W VON·Filed 1980·Granted Sep 1, 1981·73 cites·11 claims
- 0889US4420093AMolded bucket and lid having high stack strengthHOLDT J W VON·Filed 1982·Granted Dec 13, 1983·67 cites·9 claims
- 0988US4380305AManually removable seal for buckets and cansHOLDT J W VON·Filed 1981·Granted Apr 19, 1983·66 cites·8 claims
- 1088US4308970APlastic bucket defining annular inwardly projecting ridgeHOLDT J W VON·Filed 1979·Granted Jan 5, 1982·57 cites·19 claims
- 1187US4731014ARear opening moldHOLDT J W VON·Filed 1986·Granted Mar 15, 1988·57 cites·19 claims
- 1286US6106261AApparatus for molding a one-piece article in a single molding operation using two different plastic materialsHOLDT J W VON·Filed 1998·Granted Aug 22, 2000·55 cites·12 claims
- 1386US4452382AContainer closureHOLDT J W VON·Filed 1981·Granted Jun 5, 1984·59 cites·29 claims
- 1484US4570897AMold for container with recess-defining flangeHOLDT J W VON·Filed 1985·Granted Feb 18, 1986·48 cites·17 claims
- 1583US4375948APlastic bucket defining annular inwardly projecting ridge and methodHOLDT J W VON·Filed 1980·Granted Mar 8, 1983·44 cites·8 claims
- 1682US5842593ATwo part plastic container lidHOLDT J W VON·Filed 1996·Granted Dec 1, 1998·62 cites·11 claims
- 1782US4627810ACollapsible coreHOLDT J W VON·Filed 1985·Granted Dec 9, 1986·50 cites·27 claims
- 1880US4856977ATwo stage mold centering systemHOLDT J W VON·Filed 1988·Granted Aug 15, 1989·40 cites·27 claims
- 1978US4982858AContainer connector systemHOLDT J W VON·Filed 1987·Granted Jan 8, 1991·51 cites·20 claims
- 2078US4648834AMold for manufacturing flanged objects without side actionHOLDT J W VON·Filed 1985·Granted Mar 10, 1987·37 cites·20 claims
- 2178US4512494APlastic container having tongue and groove retentionHOLDT J W VON·Filed 1983·Granted Apr 23, 1985·46 cites·4 claims
- 2278US4085870ADispensing drawer assemblyHOLDT J W VON·Filed 1976·Granted Apr 25, 1978·25 cites·6 claims
- 2375US4808106AFlex gateHOLDT J W VON·Filed 1987·Granted Feb 28, 1989·28 cites·18 claims
- 2473US4775130AMold with wear memberHOLDT J W VON·Filed 1987·Granted Oct 4, 1988·31 cites·27 claims
- 2572US4632357AMold for making a bucket with bailHOLDT J W VON·Filed 1984·Granted Dec 30, 1986·37 cites·15 claims
- 2668US4966298ALocking container connector systemHOLDT J W VON·Filed 1988·Granted Oct 30, 1990·36 cites·12 claims
- 2767US4004448AAutomatic die safety lock for a metal stamping dieHOLDT J W VON·Filed 1975·Granted Jan 25, 1977·18 cites·12 claims
- 2866US4280976ASimultaneously molded threaded port and plugHOLDT J W VON·Filed 1980·Granted Jul 28, 1981·24 cites·19 claims
- 2964US4961512AChildproof closure for large containersHOLDT J W VON·Filed 1989·Granted Oct 9, 1990·31 cites·13 claims
- 3064US4289468AHydrostatic mold gateHOLDT J W VON·Filed 1979·Granted Sep 15, 1981·19 cites·16 claims
- 3160US4476083APivot mold assembly methodHOLDT J W VON·Filed 1978·Granted Oct 9, 1984·15 cites·8 claims
- 3260US4172577APivot mold assembly defining internal pivot memberHOLDT J W VON·Filed 1978·Granted Oct 30, 1979·17 cites·5 claims
- 3357US6171094B1Universal moldHOLDT J W VON·Filed 1993·Granted Jan 9, 2001·17 cites·37 claims
- 3457US4487564ASplit mold lockHOLDT J W VON·Filed 1983·Granted Dec 11, 1984·17 cites·7 claims
- 3554US4756865ARear opening mold processHOLDT J W VON·Filed 1987·Granted Jul 12, 1988·15 cites·15 claims
- 3654US4210620APivot assembly mold methodHOLDT J W VON·Filed 1978·Granted Jul 1, 1980·14 cites·17 claims
- 3754US4061455AApparatus for molding an insert member in a frame memberHOLDT J W VON·Filed 1976·Granted Dec 6, 1977·12 cites·11 claims
- 3853US5798130AAdjustable mold gateHOLDT J W VON·Filed 1996·Granted Aug 25, 1998·13 cites·12 claims
- 3947US4380422ALongitudinally expansible and contractible hydrostatic mold gateHOLDT J W VON·Filed 1981·Granted Apr 19, 1983·12 cites·15 claims
- 4046US5780077AAdjustable mold gate for a hot probe memberHOLDT J W VON·Filed 1995·Granted Jul 14, 1998·11 cites·19 claims
- 4146US4702456AMold pin lockHOLDT J W VON·Filed 1986·Granted Oct 27, 1987·11 cites·15 claims
- 4244US4441622AThreaded port and plug having access aperturesHOLDT J W VON·Filed 1980·Granted Apr 10, 1984·10 cites·3 claims
- 4343US4114849APivot mold assemblyHOLDT J W VON·Filed 1977·Granted Sep 19, 1978·8 cites·7 claims
- 4441US4653669AMolded plastic container with inner tubular memberHOLDT J W VON·Filed 1984·Granted Mar 31, 1987·11 cites·4 claims
- 4540US4706838AMolded pull fittingHOLDT J W VON·Filed 1986·Granted Nov 17, 1987·11 cites·7 claims
- 4640US4289473AMold gate permitting the introduction of stiff molding compound into a mold chamberHOLDT J W VON·Filed 1980·Granted Sep 15, 1981·8 cites·11 claims
- 4739US4881715ASafety lift lock with internal memberHOLDT J W VON·Filed 1988·Granted Nov 21, 1989·7 cites·10 claims
- 4837US4117069AMethod of molding a cassette half with window insertHOLDT J W VON·Filed 1977·Granted Sep 26, 1978·4 cites·7 claims
- 4932US4753415ASafety lift lockHOLDT J W VON·Filed 1987·Granted Jun 28, 1988·3 cites·19 claims
- 5032US4706926ASafety mold lift lockHOLDT J W VON·Filed 1986·Granted Nov 17, 1987·3 cites·15 claims
Join the waitlist — get patent alerts
Get an alert when HOLDT J W VON files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →