B29C 53/22
Corrugating
B29C53/22 (Corrugating) appears on 317 US grants and 234 published applications in this corpus.
Search patents in B29C- Granted patents
- 317
- Published applications
- 234
- Assignees
- 203
- Inventors
- 584
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 8 | 0 |
| 1978 | 11 | 0 |
| 1979 | 13 | 0 |
| 1980 | 8 | 0 |
| 1981 | 9 | 0 |
| 1982 | 9 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 2 |
| 2002 | 4 | 2 |
| 2003 | 4 | 3 |
| 2004 | 1 | 4 |
| 2005 | 2 | 10 |
| 2006 | 0 | 2 |
| 2007 | 2 | 5 |
| 2008 | 3 | 6 |
| 2009 | 2 | 9 |
| 2010 | 1 | 12 |
| 2011 | 6 | 13 |
| 2012 | 3 | 17 |
| 2013 | 4 | 10 |
| 2014 | 9 | 19 |
| 2015 | 13 | 13 |
| 2016 | 10 | 8 |
| 2017 | 14 | 14 |
| 2018 | 9 | 11 |
| 2019 | 10 | 13 |
| 2020 | 12 | 12 |
| 2021 | 11 | 12 |
| 2022 | 11 | 11 |
| 2023 | 9 | 7 |
| 2024 | 10 | 12 |
| 2025 | 4 | 3 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fabrication of three-dimensional kirigami structures with tunable properties18 Aug 2026US 12,709,080 B2Massachusetts Institute of Technology
- Panel structure manufacturing device and panel structure manufacturing method2 Jun 2026US 12,644,282 B2Mitsubishi Heavy Industries, Ltd.
- System and method for mold block exchange on return track27 Jan 2026US 12,533,831 B2
- Phased intermeshing rollers for creating patterns in trash bags21 Oct 2025US 12,448,178 B2The Glad Products Company
- Device and method for laminating a substrate with a thermoplastic film8 Jul 2025US 12,350,861 B2Henkel AG & Co. KGaA
- Production method for shaped fiber sheet, shaped fiber sheet, and fiber product20 Aug 2026US 2026/0241633 A1Chori Company, Ltd.
- Mold set, method for manufacturing straw using mold set, and straw30 Jul 2026US 2026/0216926 A1Kaneka Corporation
- Phased intermeshing rollers for creating patterns in trash bags22 Jan 2026US 2026/0021941 A1The Glad Products Company
- Phased intermeshing rollers for creating patterns in trash bags22 Jan 2026US 2026/0021942 A1The Glad Products Company
- Tube production, pre-insulated tubular rods4 Sep 2025US 2025/0276480 A1
Most cited
By later US patents
- Method of manufacturing connected particles of uniform size and shape with a backing129US 4,261,706 ACorning Glass Works · 1981
- Pleated filter media having a continuous bead of adhesive between layers of filtering material127US 5,240,479 ADonaldson Company, Inc. · 1993
- Method of making a fastener91US 4,056,593 ARepla International S.A.H. · 1977
- Structural reinforcement member and method of utilizing the same to reinforce a product89US 5,836,715 AClark-Schwebel, Inc. · 1998
- Fibrous filtration face mask having corrugated polymeric microfiber filter layer86US 5,656,368 AMinnesota Mining and Manufacturing Company · 1997