B29C 66/40
General aspects of joining substantially flat articles
Official title: {General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces}
B29C66/40 (General aspects of joining substantially flat articles) appears on 8,976 US grants and 7,384 published applications in this corpus.
Search patents in B29C- Granted patents
- 8,976
- Published applications
- 7,384
- Assignees
- 3,914
- Inventors
- 15,133
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 131 | 0 |
| 1977 | 115 | 0 |
| 1978 | 134 | 0 |
| 1979 | 64 | 0 |
| 1980 | 103 | 0 |
| 1981 | 130 | 0 |
| 1982 | 93 | 0 |
| 1983 | 88 | 0 |
| 1984 | 98 | 0 |
| 1985 | 141 | 0 |
| 1986 | 113 | 0 |
| 1987 | 160 | 0 |
| 1988 | 154 | 0 |
| 1989 | 161 | 0 |
| 1990 | 161 | 0 |
| 1991 | 107 | 0 |
| 1992 | 104 | 0 |
| 1993 | 140 | 0 |
| 1994 | 137 | 0 |
| 1995 | 150 | 0 |
| 1996 | 139 | 0 |
| 1997 | 161 | 0 |
| 1998 | 222 | 0 |
| 1999 | 194 | 0 |
| 2000 | 192 | 0 |
| 2001 | 181 | 71 |
| 2002 | 168 | 219 |
| 2003 | 231 | 254 |
| 2004 | 205 | 307 |
| 2005 | 148 | 287 |
| 2006 | 163 | 300 |
| 2007 | 129 | 273 |
| 2008 | 123 | 289 |
| 2009 | 109 | 298 |
| 2010 | 189 | 314 |
| 2011 | 212 | 281 |
| 2012 | 197 | 298 |
| 2013 | 215 | 308 |
| 2014 | 239 | 331 |
| 2015 | 234 | 348 |
| 2016 | 275 | 388 |
| 2017 | 244 | 378 |
| 2018 | 280 | 369 |
| 2019 | 354 | 362 |
| 2020 | 340 | 335 |
| 2021 | 290 | 332 |
| 2022 | 276 | 271 |
| 2023 | 234 | 255 |
| 2024 | 242 | 237 |
| 2025 | 204 | 181 |
| 2026 | 102 | 98 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fluid-tight separating closure29 Sep 2026US 12,746,610 B2Sartorius Stedim North America Inc.
- Packages configured for improved sealing8 Sep 2026US 12,728,604 B2Intercontinental Great Brands LLC
- Method and device for infrared welding of polymer composites25 Aug 2026US 12,715,177 B2Luxembourg Institute of Science and Technology (List)
- Vacuum sealer25 Aug 2026US 12,715,637 B2Ningbo Kedly Appliance Industry Co., Ltd.
- Method and device for detecting defects during sealing of a package comprising a film25 Aug 2026US 12,715,642 B2Engilico Engineering Solutions NV
- Elastic laminates and methods for assembling elastic laminates for absorbent articles8 Oct 2026US 2026/0306306 A1The Procter & Gamble Company
- Reinforced belt joint8 Oct 2026US 2026/0309208 A1Ecobelt Ltd
- Method for joining members made of material containing thermoplastic resin10 Sep 2026US 2026/0264343 A1Ihi Aerospace Co., Ltd.
- Systems and methods for processing a workpiece27 Aug 2026US 2026/0249560 A1University of Washington
- 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
- Position feedback system and method for use thereof1,075US 6,625,517 B12003
- Elasticized disposable training pant and method of making the same809US 5,246,433 AThe Procter & Gamble Company · 1993
- Apparatus for rivetting592US 8,327,514 B2Gunyang Trunet Co., Ltd. · 2012
- Flangeless seam for use in disposable articles586US 6,120,489 AThe Procter & Gamble Company · 2000
- Composite elastomeric material and process for making the same581US 4,720,415 AKimberly-Clark Corporation · 1988