B29C 33/428
For altering indicia
Official title: {For altering indicia, e.g. data, numbers (for injection moulding B29C45/374)}
B29C33/428 (For altering indicia) appears on 35 US grants and 33 published applications in this corpus.
Search patents in B29C- Granted patents
- 35
- Published applications
- 33
- Assignees
- 28
- Inventors
- 83
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 3 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 2 | 3 |
| 2006 | 2 | 3 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 3 |
| 2016 | 0 | 2 |
| 2017 | 5 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 3 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 0 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mold arch reinforcement and labeling for dental appliance manufacturing10 Feb 2026US 12,544,201 B2Align Technology, Inc.
- Dating system for molds8 Jul 2025US 12,350,862 B2Comercial De Utiles Y Moldes, S.A.
- Device for marking a moulded or cast form21 Jan 2025US 12,202,038 B2University of Limerick
- Method for producing pneumatic tires, tire mold, and pneumatic tires19 Nov 2024US 12,145,341 B2The Yokohama Rubber Co., Ltd.
- Dating system for molds12 Mar 2024US 11,926,083 B2Comercial De Utiles Y Moldes, S.A.
- Virtual three-dimensional model design of a dental appliance mold21 May 2026US 2026/0137492 A1Align Technology, Inc.
- Device for extracting pieces6 Nov 2025US 2025/0339995 A1Comercial De Utiles Y Moldes, S.A.
- Mold arch reinforcement and labeling for dental appliance manufacturing28 Sep 2023US 2023/0301762 A1Align Technology, Inc.
- Ultrasonic welding mold for mask machine capable of quickly changing customized patterns28 Apr 2022US 2022/0126392 A1Health Pro Supplies Limited
- Method and device for in situ marking a workpiece in a thermal forming process31 Mar 2022US 2022/0097324 A1matriq AG
Most cited
By later US patents
- Adjustable marking device for use in mold wall32US 4,708,314 AHasco-Normalien Hasenclever & Co. · 1987
- Mold insert29US 4,384,702 A1983
- Apparatus for molding sequentially identified products18US 5,057,000 A1991
- Adjustable date stamp mold insert18US 5,902,512 A1999
- Time stamp for insertion into a mould for metal working or plastics processing15US 5,620,716 AOpitz GmbH · 1997