B29C 31/068
Of the piston type
Official title: {of the piston type}
B29C31/068 (Of the piston type) appears on 22 US grants and 9 published applications in this corpus.
Search patents in B29C- Granted patents
- 22
- Published applications
- 9
- Assignees
- 20
- Inventors
- 49
- Latest grant
- 2 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for supplying resin, method for manufacturing resin molded product, and resin molding apparatus2 Jul 2024US 12,023,826 B2Towa Corporation
- Filling apparatus for foamable material and filling method therefor5 Oct 2021US 11,135,749 B2Sunstar Engineering Inc.
- Piston-based extrusion for viscous products22 Dec 2015US 9,216,536 B2Kolmar Laboratories, Inc.
- Method and apparatus for manufacturing a molded product21 Feb 2012US 8,119,054 B2The Japan Steel Works, Ltd.
- Method and installation producing preforms9 Aug 2011US 7,993,564 B2Olilab Ltd.
- Charging system and method for feeding processing material to an extruder screw12 May 2022US 2022/0143914 A1AIM3D GmbH
- Method for supplying resin, method for manufacturing resin molded product, and resin molding apparatus21 Apr 2022US 2022/0118656 A1Towa Corporation
- Filling apparatus for foamable material and filling method therefor3 Jan 2019US 2019/0001538 A1Sunstar Engineering Inc.
- Piston-based extrusion for viscous products23 Jul 2015US 2015/0202812 A1Kolmar Labs Group, Inc.
- Method and installation producing preforms25 Jun 2009US 2009/0160094 A1Olilab Ltd.
Most cited
By later US patents
- Apparatus for pressure-molding items made of plastics, such as caps for closing containers36US 5,807,592 ASACMI Cooperative Meccanici Imola S.c.r.l. · 1998
- Preparation of polymers of acrylic acid or metharcylic acid28US 4,774,303 ABASF SE · 1988
- Apparatus for forming plastic material gaskets in stoppers comprising a cup, such as screw-on and crown caps15US 4,518,336 ASACMI Cooperativa Meccanici Imola Soc. Coop. a Resp. Lim. · 1985
- Plant for manufacturing structural components made of fibre-reinforced thermoplastic12US 5,798,128 AECIA - Equipements et Composants pour l'Industrie Automobile · 1998
- Apparatus for molding a plastic seal inside a closure for closing a container8US 6,007,315 ASACMI Cooperative Meccanici Imola S.c.r.l. · 1999