Assignee
PRIMTEC
US·17 granted patents·560 citations·filing 1982–1993
Top patents by PatentIndex Score
17 records- 0196US4935184AStabilized injection molding when using a common mold part with separate complimentary mold partsPRIMTEC·Filed 1989·Granted Jun 19, 1990·101 cites·10 claims
- 0283US5176284AReduction of flexure in a plastic container having a thin flexible side wallPRIMTEC·Filed 1990·Granted Jan 5, 1993·65 cites·2 claims
- 0380US4657141AHollow stackable plastic productsPRIMTEC·Filed 1986·Granted Apr 14, 1987·56 cites·7 claims
- 0479US4959005ASelf-aligning mold for injection molding of hollow plastic productsPRIMTEC·Filed 1989·Granted Sep 25, 1990·39 cites·29 claims
- 0577US5267685AStackability of hollow products with conically contoured sidewalls having longitudinal foldsPRIMTEC·Filed 1993·Granted Dec 7, 1993·50 cites·6 claims
- 0677US4846350AHollow, stackable molded product with rigidifying skirt-shaped flangePRIMTEC·Filed 1987·Granted Jul 11, 1989·48 cites·16 claims
- 0766US5049344AMethod for reducing required mold-cavity clamping force and controlling injection-molded-product wall thicknessPRIMTEC·Filed 1989·Granted Sep 17, 1991·24 cites·9 claims
- 0866US4867672AReduction of required mold-cavity clamping force and control of injection-molded product wall thicknessPRIMTEC·Filed 1988·Granted Sep 19, 1989·24 cites·9 claims
- 0964US5174941AInjection-molding product wall-thickness control methodsPRIMTEC·Filed 1992·Granted Dec 29, 1992·24 cites·2 claims
- 1064US5043129AHold-pressure control and clamping in stacked multi-parting molding system having desynchronized injection periodsPRIMTEC·Filed 1988·Granted Aug 27, 1991·23 cites·19 claims
- 1162US4539171ADisplaced snorkel sandwich moldingPRIMTEC·Filed 1982·Granted Sep 3, 1985·22 cites·15 claims
- 1261US4971747AHold pressurization by confining runner systems of adjustable feed system in multiple reciprocal stack molding systemPRIMTEC·Filed 1988·Granted Nov 20, 1990·21 cites·22 claims
- 1356US4990299AMulti-parting molding system with clamping meansPRIMTEC·Filed 1989·Granted Feb 5, 1991·17 cites·19 claims
- 1449US5008064AInjection-molding dimension-control and clamp-reductionPRIMTEC·Filed 1989·Granted Apr 16, 1991·13 cites·20 claims
- 1548US5262112ADimension-control and clamp reduction during injection molding of laminated productsPRIMTEC·Filed 1992·Granted Nov 16, 1993·13 cites·14 claims
- 1644US5023039AHold-pressure control in multi-parting injection molding systemPRIMTEC·Filed 1989·Granted Jun 11, 1991·10 cites·6 claims
- 1743US5149482AInjection-molding dimension-control and clamp-reductionPRIMTEC·Filed 1990·Granted Sep 22, 1992·10 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when PRIMTEC 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 →