B22C 7/023
Patterns made from expanded plastic materials
Official title: {Patterns made from expanded plastic materials}
B22C7/023 (Patterns made from expanded plastic materials) appears on 208 US grants and 121 published applications in this corpus.
Search patents in B22C- Granted patents
- 208
- Published applications
- 121
- Assignees
- 120
- Inventors
- 365
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 10 | 0 |
| 1988 | 10 | 0 |
| 1989 | 12 | 0 |
| 1990 | 9 | 0 |
| 1991 | 13 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 2 |
| 2002 | 7 | 4 |
| 2003 | 2 | 2 |
| 2004 | 4 | 6 |
| 2005 | 4 | 5 |
| 2006 | 6 | 5 |
| 2007 | 5 | 6 |
| 2008 | 2 | 3 |
| 2009 | 1 | 3 |
| 2010 | 0 | 4 |
| 2011 | 4 | 2 |
| 2012 | 1 | 7 |
| 2013 | 5 | 7 |
| 2014 | 8 | 5 |
| 2015 | 5 | 6 |
| 2016 | 3 | 14 |
| 2017 | 6 | 14 |
| 2018 | 11 | 7 |
| 2019 | 8 | 4 |
| 2020 | 4 | 3 |
| 2021 | 8 | 4 |
| 2022 | 0 | 3 |
| 2023 | 1 | 2 |
| 2024 | 3 | 3 |
| 2025 | 4 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 3-D printable expendable lost foam pattern6 Jan 2026US 12,516,170 B1Brunswick Corporation
- Lost foam and sand casting with polylactic acid- based foam articles8 Jul 2025US 12,350,735 B2Lifoam Industries, LLC
- Expandable methyl methacrylate resin particles, methyl methacrylate resin pre-expanded particles, methyl methacrylate expansion-molded body, and method for producing expandable methyl methacrylate resin particles24 Jun 2025US 12,338,337 B2Kaneka Corporation
- Systems and methods of bonding wax8 Apr 2025US 12,269,087 B2Chromalloy Gas Turbine Corporation
- Method and device for welding tool automation28 Jan 2025US 12,208,440 B2Canon Virginia, Inc.
- Systems and Methods of Bonding Wax7 Nov 2024US 2024/0367220 A1Chromalloy Gas Turbine Corporation
- Systems and Methods of Bonding Wax Components for Lost Wax Casting13 Jun 2024US 2024/0189887 A1Chromalloy Gas Turbine Corporation
- Lost foam and sand casting with polylactic acid-based foam articles13 Jun 2024US 2024/0189888 A1Lifoam Industries, LLC
- Method and system for automated wax mold assembly14 Sep 2023US 2023/0286035 A1
- Method and device for welding tool automation17 Aug 2023US 2023/0256502 A1Canon Virginia, Inc.
Most cited
By later US patents
- Custom bioimplantable article284US 5,762,125 AJohnson & Johnson Professional, Inc. · 1998
- Method of producing polymeric patterns for use in evaporable foam casting85US 5,518,060 ABrunswick Corporation · 1996
- Multi-wall core and process71US 6,626,230 B1Howmet Research Corporation · 2003
- Reticulated foam structure68US 3,946,039 AEnergy Research & Generation, Inc. · 1976
- Process for producing a thermally loaded casting62US 6,412,541 B2Alstom Power N.V. · 2002