Nitrojection Corporation
Middlefield, OH, US· latest recorded location
Nitrojection Corporation is named on 15 US grants and 0 published applications in this corpus. Its most frequent classification is B29C (Shaping or joining of plastics).
- Granted patents
- 15
- Published applications
- 0
- Inventors
- 12
- Granted in 2026 so far
- 0
- Most recent grant
- 24 Apr 2001
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
By publication year.
Technology areas
Share of 15 documents
Recent patents
- Pin-in-sleeve device for in-article gas assisted injection molding24 Apr 2001US 6,221,306 B1
- Gas assisted injection molding apparatus utilizing sleeve and pin arrangement30 Dec 1997US RE35,705 E
- Pin in barrel injection molding nozzle using short pin7 Nov 1995US 5,464,342 A
- Method for gas assisted injection molding with pin and sleeve mechanism12 Apr 1994US 5,302,339 A
- Gas assisted injection molding apparatus utilizing sleeve and pin arrangement26 Oct 1993US 5,256,047 A
No published applications.
Most cited
By later US patents
- Apparatus for producing a fluid-assisted injection molded product43US 5,127,814 A1992
- Plastic injection molding nozzle with gas assist35US 5,151,278 A1992
- Apparatus having an in-the-mold gas injection pin29US 5,198,238 A1993
- Nozzle for gas assisted injection molding23US 5,164,200 A1992
- Pressurization control unit for a gas-assisted injection molding machine21US 5,198,240 A1993