B29C 66/4324
For making closed loops
Official title: {for making closed loops, e.g. belts}
B29C66/4324 (For making closed loops) appears on 392 US grants and 228 published applications in this corpus.
Search patents in B29C- Granted patents
- 392
- Published applications
- 228
- Assignees
- 183
- Inventors
- 595
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 8 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 9 | 0 |
| 1985 | 10 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 15 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 10 | 0 |
| 1994 | 9 | 0 |
| 1995 | 9 | 0 |
| 1996 | 14 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 8 | 0 |
| 2001 | 14 | 5 |
| 2002 | 20 | 14 |
| 2003 | 17 | 24 |
| 2004 | 15 | 18 |
| 2005 | 16 | 9 |
| 2006 | 10 | 9 |
| 2007 | 4 | 10 |
| 2008 | 6 | 9 |
| 2009 | 5 | 8 |
| 2010 | 7 | 10 |
| 2011 | 10 | 7 |
| 2012 | 4 | 4 |
| 2013 | 4 | 13 |
| 2014 | 7 | 8 |
| 2015 | 5 | 7 |
| 2016 | 9 | 15 |
| 2017 | 8 | 8 |
| 2018 | 9 | 4 |
| 2019 | 10 | 9 |
| 2020 | 8 | 10 |
| 2021 | 5 | 5 |
| 2022 | 6 | 2 |
| 2023 | 3 | 7 |
| 2024 | 3 | 4 |
| 2025 | 3 | 5 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Seam for an industrial textile with energy absorbent yarns9 Jun 2026US 12,649,297 B2AstenJohnson International, Inc.
- Handheld strapping device26 Aug 2025US 12,397,943 B2Samuel, Son & Co. (USA) Inc.
- Joint for a scan window formed to a cylinder10 Jun 2025US 12,324,692 B2GE Precision Healthcare LLC
- Coated abrasive film belt27 May 2025US 12,311,614 B2Saint-Gobain Abrasifs
- Fusion welding device24 Dec 2024US 12,172,387 B2Taizhou Yongpai Pack Equipment Co., Ltd.
- Reinforced belt joint8 Oct 2026US 2026/0309208 A1Ecobelt Ltd
- Apparatus and method for splicing a tire component16 Jul 2026US 2026/0200192 A1Vmi Holland B .V.
- Strapping machine configured to form a welded strap joint via induction heating28 May 2026US 2026/0145831 A1Signode Industrial Group LLC
- Welding device16 Apr 2026US 2026/0103307 A1Zhejiang Weipai Packaging Equipment Co., Ltd.
- Handheld strapping device20 Nov 2025US 2025/0353627 A1Samuel, Son & Co. (USA) Inc.
Most cited
By later US patents
- Method and apparatus for combining a tensioned elastic garter with a substrate127US 5,393,360 AThe Procter & Gamble Company · 1995
- Puzzle cut seamed belt with bonding between adjacent surfaces by UV cured adhesive119US 5,487,707 AXerox Corporation · 1996
- Cushioned treadmill belts and methods of manufacture110US 5,951,441 AICON Health & Fitness, Inc. · 1999
- Continuous, high-speed method for producing a pant-style garment having a pair of elasticized leg openings109US 5,749,989 AThe Procter & Gamble Company · 1998
- Apparatus for banding parcels and the like76US 4,450,032 ACyklop International Emil Hoffmann KG · 1984