C03B 7/086
Plunger mechanisms
C03B7/086 (Plunger mechanisms) appears on 35 US grants and 23 published applications in this corpus.
Search patents in C03B- Granted patents
- 35
- Published applications
- 23
- Assignees
- 24
- Inventors
- 81
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 2 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 3 |
| 2022 | 2 | 4 |
| 2023 | 1 | 2 |
| 2024 | 3 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multiple gob feeder, gob feeding method and related system, and feeder orifice3 Mar 2026US 12,565,438 B2Owens-Brockway Glass Container Inc.
- Forehearth tank assembly for a glass distribution channel26 Aug 2025US 12,398,059 B2Societe Europeenne des Produits Refractaires
- Forming glass containers from tubular parisons10 Sep 2024US 12,084,372 B2Owens-Brockway Glass Container Inc.
- Fluid-cooled needle for molten material flow control6 Aug 2024US 12,054,418 B2Owens-Brockway Glass Container Inc.
- Method and apparatus for forming a parison23 Apr 2024US 11,964,901 B2Owens-Brockway Glass Container Inc.
- Multiple gob feeder, gob feeding method and related system, and feeder orifice25 Jun 2026US 2026/0176183 A1Owens-Brockway Glass Container Inc.
- Configurable feeder assembly for forming and feeding molten glass gobs in an individual section machine for forming hollow glassware28 May 2026US 2026/0145980 A1Bottero S.p.A.
- Fluid-cooled needle for molten material flow control21 Nov 2024US 2024/0383793 A1Owens-Brockway Glass Container Inc.
- Glass forming method with individually controlled plunger end positions2 Nov 2023US 2023/0348308 A1Emhart Glass S. A.
- Multiple gob feeder, gob feeding method and related system, and feeder orifice31 Aug 2023US 2023/0271868 A1Owens-Brockway Glass Container Inc.
Most cited
By later US patents
- Electronic glass feeder plunger operating mechanism21US 4,551,163 AEmhart Industries, Inc. · 1985
- Glass bottle forming machine18US 5,266,093 AIshizuka Glass Co., Ltd. · 1993
- Heat retaining shield in glass gob former6US 4,328,023 AB.H.F. (Engineering) Limited · 1982
- Multiple orifice glass feed utilizing plungers5US 5,540,747 AOwens-Brockway Glass Container Inc. · 1996
- Remotely adjustable glass feeder needle assembly5US 5,660,610 AOwens-Brockway Glass Container Inc. · 1997