B21F 37/00
Manufacture of rings from wire
B21F37/00 (Manufacture of rings from wire) appears on 48 US grants and 41 published applications in this corpus.
Search patents in B21F- Granted patents
- 48
- Published applications
- 41
- Assignees
- 41
- Inventors
- 101
- Latest grant
- 22 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 3 |
| 2005 | 0 | 1 |
| 2006 | 2 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 2 | 0 |
| 2015 | 1 | 7 |
| 2016 | 1 | 1 |
| 2017 | 3 | 5 |
| 2018 | 4 | 2 |
| 2019 | 2 | 3 |
| 2020 | 3 | 0 |
| 2021 | 2 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 1 |
| 2024 | 4 | 2 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Apparatus for manufacturing bead wires for pneumatic tires comprising a head for switching between cutting and crimping tools22 Oct 2024US 12,122,111 B2Compagnie Generale Des Etablissements Michelin
- Method and system for on-demand retaining ring forming and installation13 Aug 2024US 12,059,721 B2Beijingwest Industries Co., Ltd.
- Method and facility for the production of a braided bead wire for a pneumatic tire, comprising the folding of a surplus length of braiding wire11 Jun 2024US 12,005,490 B2Compagnie Generale Des Etablissements Michelin
- Installation for manufacturing bead wires for tires, comprising a crimping station provided with a subassembly for automatically preparing crimping sleeves2 Apr 2024US 11,945,183 B2Compagnie Generale Des Etablissements Mic
- Process of forming and a seal for an engine2 Nov 2021US 11,161,207 B2Dynamic Metals, LLC
- Removal system for a pull wire assembly machine16 Oct 2025US 2025/0319546 A1TE Connectivity Solutions GmbH
- Pull ring holder for a pull wire assembly machine16 Oct 2025US 2025/0319547 A1TE Connectivity Solutions GmbH
- Method and system for on-demand retaining ring forming and installation9 May 2024US 2024/0149329 A1Beijingwest Industries Co., Ltd.
- Compacted steel strand with cladded core15 Feb 2024US 2024/0052565 A1NV Bekaert SA
- Washer and method for manufacturing the same25 May 2023US 2023/0158561 A1
Most cited
By later US patents
- Ring former and cutoff13US 4,365,492 AIntercole Bolling Corp. · 1982
- Bearing race manufactured from preprofiled wire7US 4,688,953 AINA Bearing Company, Inc. · 1987
- Method for bending wire or strip material into round parts6US 4,132,106 A1979
- Method and apparatus for making lock washers6US 4,285,084 AMSL Industries, Inc. · 1981
- Apparatus for manufacturing ring-shaped member from elongate workpiece6US 4,823,576 AToyoda Gosei Co., Ltd. · 1989