B29C 66/41
Joining substantially flat articles
Official title: {Joining substantially flat articles (B29C66/47 and subgroups take precedence); Making flat seams in tubular or hollow articles (B29C66/51 and subgroups take precedence)}
B29C66/41 (Joining substantially flat articles) appears on 7,885 US grants and 6,478 published applications in this corpus.
Search patents in B29C- Granted patents
- 7,885
- Published applications
- 6,478
- Assignees
- 3,492
- Inventors
- 13,269
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 125 | 0 |
| 1977 | 104 | 0 |
| 1978 | 128 | 0 |
| 1979 | 59 | 0 |
| 1980 | 93 | 0 |
| 1981 | 111 | 0 |
| 1982 | 77 | 0 |
| 1983 | 74 | 0 |
| 1984 | 86 | 0 |
| 1985 | 122 | 0 |
| 1986 | 101 | 0 |
| 1987 | 140 | 0 |
| 1988 | 124 | 0 |
| 1989 | 135 | 0 |
| 1990 | 139 | 0 |
| 1991 | 97 | 0 |
| 1992 | 86 | 0 |
| 1993 | 122 | 0 |
| 1994 | 119 | 0 |
| 1995 | 131 | 0 |
| 1996 | 125 | 0 |
| 1997 | 141 | 0 |
| 1998 | 192 | 0 |
| 1999 | 177 | 0 |
| 2000 | 170 | 0 |
| 2001 | 171 | 62 |
| 2002 | 146 | 192 |
| 2003 | 210 | 234 |
| 2004 | 183 | 267 |
| 2005 | 141 | 249 |
| 2006 | 152 | 271 |
| 2007 | 111 | 240 |
| 2008 | 107 | 252 |
| 2009 | 102 | 271 |
| 2010 | 167 | 285 |
| 2011 | 175 | 235 |
| 2012 | 172 | 269 |
| 2013 | 189 | 269 |
| 2014 | 201 | 280 |
| 2015 | 206 | 293 |
| 2016 | 248 | 337 |
| 2017 | 202 | 320 |
| 2018 | 245 | 321 |
| 2019 | 297 | 304 |
| 2020 | 287 | 301 |
| 2021 | 258 | 298 |
| 2022 | 240 | 238 |
| 2023 | 215 | 230 |
| 2024 | 215 | 209 |
| 2025 | 175 | 162 |
| 2026 | 92 | 89 |
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
- 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
- Method for producing packages, an apparatus and a kit of parts18 Aug 2026US 12,709,069 B2Tetra Laval Holdings & Finance S. A.
- 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
- 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
- Methods for joining thermoplastic composite structures27 Aug 2026US 2026/0249563 A1Rohr, Inc.
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