Primtec
San Diego, CA, US· latest recorded location
Primtec is named on 18 US grants and 0 published applications in this corpus. Its most frequent classification is B29C (Shaping or joining of plastics).
- Granted patents
- 18
- Published applications
- 0
- Inventors
- 1
- Granted in 2026 so far
- 0
- Most recent grant
- 7 Dec 1993
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
By publication year.
Technology areas
Share of 18 documents
Recent patents
- Stackability of hollow products with conically contoured sidewalls having longitudinal folds7 Dec 1993US 5,267,685 A
- Dimension-control and clamp reduction during injection molding of laminated products16 Nov 1993US 5,262,112 A
- Reduction of flexure in a plastic container having a thin flexible side wall5 Jan 1993US 5,176,284 A
- Injection-molding product wall-thickness control methods29 Dec 1992US 5,174,941 A
- Injection-molding dimension-control and clamp-reduction22 Sep 1992US 5,149,482 A
No published applications.
Most cited
By later US patents
- Stabilized injection molding when using a common mold part with separate complimentary mold parts77US 4,935,184 A1990
- Hollow, stackable molded product with rigidifying skirt-shaped flange48US 4,846,350 A1989
- Reduction of flexure in a plastic container having a thin flexible side wall48US 5,176,284 A1993
- Stackability of hollow products with conically contoured sidewalls having longitudinal folds42US 5,267,685 A1993
- Hollow stackable plastic products37US 4,657,141 A1987