B29C 66/52
Joining tubular articles, bars or profiled elements
Official title: {Joining tubular articles, bars or profiled elements}
B29C66/52 (Joining tubular articles, bars or profiled elements) appears on 2,252 US grants and 1,644 published applications in this corpus.
Search patents in B29C- Granted patents
- 2,252
- Published applications
- 1,644
- Assignees
- 1,189
- Inventors
- 3,937
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 33 | 0 |
| 1977 | 21 | 0 |
| 1978 | 30 | 0 |
| 1979 | 14 | 0 |
| 1980 | 23 | 0 |
| 1981 | 27 | 0 |
| 1982 | 37 | 0 |
| 1983 | 23 | 0 |
| 1984 | 28 | 0 |
| 1985 | 34 | 0 |
| 1986 | 38 | 0 |
| 1987 | 39 | 0 |
| 1988 | 43 | 0 |
| 1989 | 41 | 0 |
| 1990 | 46 | 0 |
| 1991 | 32 | 0 |
| 1992 | 50 | 0 |
| 1993 | 38 | 0 |
| 1994 | 47 | 0 |
| 1995 | 47 | 0 |
| 1996 | 43 | 0 |
| 1997 | 47 | 0 |
| 1998 | 65 | 0 |
| 1999 | 55 | 0 |
| 2000 | 50 | 0 |
| 2001 | 44 | 12 |
| 2002 | 44 | 39 |
| 2003 | 46 | 43 |
| 2004 | 20 | 35 |
| 2005 | 23 | 45 |
| 2006 | 22 | 60 |
| 2007 | 21 | 58 |
| 2008 | 21 | 52 |
| 2009 | 19 | 53 |
| 2010 | 41 | 69 |
| 2011 | 47 | 70 |
| 2012 | 46 | 75 |
| 2013 | 51 | 63 |
| 2014 | 63 | 78 |
| 2015 | 52 | 93 |
| 2016 | 64 | 91 |
| 2017 | 65 | 93 |
| 2018 | 66 | 69 |
| 2019 | 95 | 81 |
| 2020 | 77 | 87 |
| 2021 | 78 | 84 |
| 2022 | 77 | 77 |
| 2023 | 73 | 65 |
| 2024 | 58 | 78 |
| 2025 | 60 | 45 |
| 2026 | 28 | 29 |
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.
- Induction bonded reel18 Aug 2026US 12,709,070 B2Vandor Corporation
- Machine for the welding of plastic profiled elements4 Aug 2026US 12,697,786 B2Graf Synergy S.r. l.
- Multi-material polymer filament for three-dimensional printing14 Jul 2026US 12,680,199 B2The United States of America as represented by the Secretary of the Army
- Method and device for welding at least two profiled sections for window or door frames or leaves7 Jul 2026US 12,674,352 B2Rotox Holding GmbH
- Nasal/oral cannula system and manufacturing8 Oct 2026US 2026/0305976 A1Masimo Sweden AB
- Plate for heating devices of machines for the machining of profiled elements made of plastic material10 Sep 2026US 2026/0264340 A1Graf Synergy S.r. l.
- Portable conduction welding apparatus, system, and method for conduction welding of thermoplastic composite parts27 Aug 2026US 2026/0249561 A1The Boeing Company
- Shim assembly for welded interface(s) between thermoplastic components and methods thereof27 Aug 2026US 2026/0249564 A1Rohr, Inc.
- Method of coupling or repairing pipes27 Aug 2026US 2026/0251254 A1Pinweld Limited
Most cited
By later US patents
- Nasal/oral cannula system and manufacturing493US 10,441,196 B2Masimo Corporation · 2019
- Method of using ultrasonic vibration to secure body tissue391US 6,368,343 B12002
- Method of using ultrasonic vibration to secure body tissue347US 6,585,750 B2Bonutti 2003 Trust-A · 2003
- Prosthesis deployment device with translucent distal end306US 6,726,712 B1Boston Scientific Scimed, Inc. · 2004
- Dual lumen catheter172US 5,188,593 AVas-Cath Incorporated · 1993