B29C 66/5221
For forming coaxial connections, i.e. the tubular articles to be joined forming
Official title: {for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other}
B29C66/5221 (For forming coaxial connections, i.e. the tubular articles to be joined forming) appears on 1,104 US grants and 775 published applications in this corpus.
Search patents in B29C- Granted patents
- 1,104
- Published applications
- 775
- Assignees
- 617
- Inventors
- 1,872
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 12 | 0 |
| 1978 | 14 | 0 |
| 1979 | 10 | 0 |
| 1980 | 10 | 0 |
| 1981 | 12 | 0 |
| 1982 | 17 | 0 |
| 1983 | 10 | 0 |
| 1984 | 11 | 0 |
| 1985 | 16 | 0 |
| 1986 | 18 | 0 |
| 1987 | 21 | 0 |
| 1988 | 24 | 0 |
| 1989 | 17 | 0 |
| 1990 | 32 | 0 |
| 1991 | 19 | 0 |
| 1992 | 31 | 0 |
| 1993 | 27 | 0 |
| 1994 | 27 | 0 |
| 1995 | 22 | 0 |
| 1996 | 27 | 0 |
| 1997 | 19 | 0 |
| 1998 | 30 | 0 |
| 1999 | 22 | 0 |
| 2000 | 21 | 0 |
| 2001 | 22 | 5 |
| 2002 | 25 | 16 |
| 2003 | 20 | 32 |
| 2004 | 16 | 19 |
| 2005 | 11 | 18 |
| 2006 | 13 | 37 |
| 2007 | 12 | 23 |
| 2008 | 11 | 22 |
| 2009 | 9 | 26 |
| 2010 | 18 | 36 |
| 2011 | 20 | 27 |
| 2012 | 15 | 33 |
| 2013 | 25 | 31 |
| 2014 | 31 | 41 |
| 2015 | 24 | 49 |
| 2016 | 33 | 44 |
| 2017 | 32 | 41 |
| 2018 | 33 | 27 |
| 2019 | 49 | 35 |
| 2020 | 34 | 34 |
| 2021 | 34 | 38 |
| 2022 | 36 | 36 |
| 2023 | 29 | 33 |
| 2024 | 31 | 35 |
| 2025 | 28 | 23 |
| 2026 | 8 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Annular seal material and manufacturing method25 Aug 2026US 12,716,500 B2Valqua, Ltd.
- Welding apparatus9 Jun 2026US 12,649,286 B2Fresenius Kabi Deutschland GmbH
- Bioprocessing system9 Jun 2026US 12,649,897 B2Cellular Origins Limited
- Drainage member design and ultrasonic welding method for attachment of catheter tube to drainage member14 Apr 2026US 12,599,744 B2Hollister Incorporated
- Monitoring of lined pipeline31 Mar 2026US 12,590,665 B2Pioneer Lining Technology Limited
- Method of coupling or repairing pipes27 Aug 2026US 2026/0251254 A1Pinweld Limited
- Device and method for connecting an end of a first foil and an end of a second foil30 Jul 2026US 2026/0216962 A1Fuji Seal International, Inc.
- System and method for joining clear flexible tubing using laser welding16 Jul 2026US 2026/0200180 A1
- Workpiece made of two components joined together by means of an adhesive, joining method, and actuator comprising such a workpiece2 Jul 2026US 2026/0184023 A1Schaeffler Technologies AG & Co. KG
- Handheld fusion welding system25 Jun 2026US 2026/0175522 A1
Most cited
By later US patents
- Prosthesis deployment device with translucent distal end306US 6,726,712 B1Boston Scientific Scimed, Inc. · 2004
- Sterile connection process, apparatus and system156US 4,610,670 AE. I. Du Pont de Nemours and Company · 1986
- Method and device for manipulating and transferring products between confined volumes117US 5,176,673 A1993
- Overlapping welds for catheter constructions112US 5,772,641 AMedi-Dyne Inc. · 1998
- Pipe fittings108US 6,406,063 B1Fina Research, S. A. · 2002