B29C 57/025
Combined with the introduction of a sealing ring
Official title: {combined with the introduction of a sealing ring, e.g. using the sealing element as forming element}
B29C57/025 (Combined with the introduction of a sealing ring) appears on 51 US grants and 19 published applications in this corpus.
Search patents in B29C- Granted patents
- 51
- Published applications
- 19
- Assignees
- 21
- Inventors
- 58
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 7 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 3 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 2 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 2 |
| 2022 | 0 | 0 |
| 2023 | 0 | 3 |
| 2024 | 1 | 2 |
| 2025 | 3 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymer pipe, a pipe joint insert device, a pipe joint assembly, and methods of forming same6 Jan 2026US 12,516,764 B2Westlake Pipe & Fittings Corporation
- Rieber sealing system with plastic retainer ring11 Nov 2025US 12,466,123 B2S & B Technical Products, Inc.
- PVC-O pipe20 May 2025US 12,305,787 B2Sica S.P.A.
- Polymer pipe, a pipe joint insert device, a pipe joint assembly, and methods of forming same21 Jan 2025US 12,203,581 B2Westlake Pipe & Fittings Corporation
- Hydraulic fitting, and applications thereof in robot systems18 Jun 2024US 12,011,867 B2Sanctuary Cognitive Systems Corporation
- Belling unit, automatic belling machine comprising said unit and method for belling pipes made of pvc-o7 Nov 2024US 2024/0367367 A1Sica S.P.A.
- Pvc-o pipe20 Jun 2024US 2024/0200708 A1Sica S.P.A.
- Rieber sealing system with plastic retainer ring28 Dec 2023US 2023/0415402 A1S & B Technical Products, Inc.
- Hydraulic fitting, and applications thereof in robot systems19 Jan 2023US 2023/0012677 A1Sanctuary Cognitive Systems Corporation
- Hydraulic fitting, and applications thereof in robot systems19 Jan 2023US 2023/0020840 A1Sanctuary Cognitive Systems Corporation
Most cited
By later US patents
- Production of socket ends in thermoplastic pipes63US 4,299,412 ARieber & Son A/S · 1981
- Mould and sealing ring56US 4,818,209 AForsheda AB · 1989
- Pipe part with a socket end47US 4,362,323 AWabin B.V. · 1982
- Method of manufacturing a seal and restraining system46US 7,284,310 B2S & B Technical Products, Inc. · 2007
- Gasket seating ring45US 4,826,028 AVassallo Research and Development Corporation · 1989