B29D 30/68
Cutting profiles into the treads of tyres
B29D30/68 (Cutting profiles into the treads of tyres) appears on 70 US grants and 51 published applications in this corpus.
Search patents in B29D- Granted patents
- 70
- Published applications
- 51
- Assignees
- 27
- Inventors
- 117
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 1 | 5 |
| 2014 | 2 | 2 |
| 2015 | 1 | 4 |
| 2016 | 6 | 9 |
| 2017 | 2 | 3 |
| 2018 | 2 | 5 |
| 2019 | 2 | 2 |
| 2020 | 5 | 1 |
| 2021 | 3 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 2 |
| 2024 | 3 | 3 |
| 2025 | 2 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Versatile sipe machine28 Jul 2026US 12,691,652 B2Bridgestone Bandag, LLC
- Method for constructing the tread of a tire, device configured for performing the method and uncured rubber strip7 Jul 2026US 12,673,473 B2VM Holding B.V.
- Miter sipe machine having angle control, blade sharpening, and tread support21 Oct 2025US 12,447,706 B2Bridgestone Bandag, LLC
- Curing mold for a tire, comprising means for cutting a rubber mold seam26 Aug 2025US 12,397,522 B2Compagnie Generale Des Etablissements Michelin
- Versatile sipe machine22 Oct 2024US 12,122,113 B2Bridgestone Bandag, LLC
- Versatile sipe machine17 Sep 2026US 2026/0273883 A1Bridgestone Bandag, LLC
- Miter sipe machine having angle control, blade sharpening, and tread support29 Jan 2026US 2026/0027795 A1Bridgestone Bandag, LLC
- Tire manufacturing method2 Oct 2025US 2025/0303658 A1Bridgestone Corporation
- Precured tire tread having variable pitch sequence2 Oct 2025US 2025/0303659 A1Bridgestone Americas Tire Operations, LLC
- Miter sipe machine having angle control, blade sharpening, and tread support19 Dec 2024US 2024/0416605 A1Bridgestone Bandag, LLC
Most cited
By later US patents
- Automatic layout machine for tire tread patterns17US 4,564,737 AF.M.P. Enterprise, Inc. · 1986
- Method and automated system for retreading tires15US 4,080,230 ARubber Machines, Systems Inc. · 1978
- Tire tread cutting machine15US 4,306,607 A1981
- Apparatus for cutting circumferential grooves in the tread of a tire14US 4,147,196 ACompagnie Generale Des Etablissements Michelin · 1979
- Cutter supporting unit for tire grooving apparatus14US 5,065,804 ASumimoto Rubber Industries, Ltd. · 1991