B29C 66/50
General aspects of joining tubular articles
Official title: {General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles}
B29C66/50 (General aspects of joining tubular articles) appears on 7,532 US grants and 6,178 published applications in this corpus.
Search patents in B29C- Granted patents
- 7,532
- Published applications
- 6,178
- Assignees
- 3,722
- Inventors
- 13,881
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 87 | 0 |
| 1977 | 61 | 0 |
| 1978 | 86 | 0 |
| 1979 | 53 | 0 |
| 1980 | 74 | 0 |
| 1981 | 94 | 0 |
| 1982 | 76 | 0 |
| 1983 | 73 | 0 |
| 1984 | 83 | 0 |
| 1985 | 100 | 0 |
| 1986 | 105 | 0 |
| 1987 | 109 | 0 |
| 1988 | 133 | 0 |
| 1989 | 119 | 0 |
| 1990 | 133 | 0 |
| 1991 | 123 | 0 |
| 1992 | 142 | 0 |
| 1993 | 134 | 0 |
| 1994 | 130 | 0 |
| 1995 | 146 | 0 |
| 1996 | 132 | 0 |
| 1997 | 150 | 0 |
| 1998 | 197 | 0 |
| 1999 | 168 | 0 |
| 2000 | 177 | 0 |
| 2001 | 175 | 56 |
| 2002 | 141 | 164 |
| 2003 | 145 | 199 |
| 2004 | 124 | 216 |
| 2005 | 103 | 240 |
| 2006 | 107 | 253 |
| 2007 | 107 | 244 |
| 2008 | 109 | 239 |
| 2009 | 118 | 259 |
| 2010 | 161 | 260 |
| 2011 | 199 | 271 |
| 2012 | 188 | 274 |
| 2013 | 196 | 260 |
| 2014 | 219 | 281 |
| 2015 | 210 | 314 |
| 2016 | 210 | 317 |
| 2017 | 220 | 302 |
| 2018 | 250 | 314 |
| 2019 | 312 | 274 |
| 2020 | 263 | 276 |
| 2021 | 229 | 246 |
| 2022 | 238 | 262 |
| 2023 | 194 | 202 |
| 2024 | 187 | 222 |
| 2025 | 160 | 145 |
| 2026 | 82 | 88 |
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
- Method for manufacturing a wind turbine blade and fixture for manufacturing a wind turbine blade18 Aug 2026US 12,709,073 B2Siemens Gamesa Renewable Energy A/S
- Continuous ultrasonic welding thermoplastic material for aerospace component repair18 Aug 2026US 12,709,077 B2Rohr, Inc.
- Pouch-shaped battery sealing apparatus including stopper and pouch-shaped battery sealing method using the same18 Aug 2026US 12,712,194 B2LG Energy Solution, Ltd.
- Nasal/oral cannula system and manufacturing8 Oct 2026US 2026/0305976 A1Masimo Sweden AB
- Negative pressure wound therapy apparatus and methods17 Sep 2026US 2026/0273165 A1Smith & Nephew, Inc.
- 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.
- Integrally molded product and method for manufacturing integrally molded product10 Sep 2026US 2026/0264344 A1Toray Industries, Inc.
- Portable conduction welding apparatus, system, and method for conduction welding of thermoplastic composite parts27 Aug 2026US 2026/0249561 A1The Boeing Company
Most cited
By later US patents
- Capillary flow device951US 4,963,498 ABiotrack, Inc. · 1990
- Fully integrated miniaturized planar liquid sample handling and analysis device556US 5,571,410 AHewlett-Packard Company · 1996
- Filter-catheter and method of manufacturing same541US 5,421,832 A1995
- Capillary flow device522US 4,756,884 ABiotrack, Inc. · 1988
- Nasal/oral cannula system and manufacturing493US 10,441,196 B2Masimo Corporation · 2019