B29C 39/40
Compensating volume change
Official title: Compensating volume change, e.g. retraction {(in general B29C37/005)}
B29C39/40 (Compensating volume change) appears on 39 US grants and 25 published applications in this corpus.
Search patents in B29C- Granted patents
- 39
- Published applications
- 25
- Assignees
- 46
- Inventors
- 123
- Latest grant
- 6 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 3 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 4 |
| 2021 | 2 | 1 |
| 2022 | 2 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for manufacturing cooling device and motor housing cooling device using same6 Jun 2023US 11,670,985 B2Mh Technologies Inc.
- Method for producing vehicle replacement parts25 Oct 2022US 11,478,960 B2Bayerische Motoren Werke Aktiengesellschaft
- Fabricating a lens assembly4 Oct 2022US 11,458,699 B2Meta Platforms Technologies, LLC
- Method for producing large polymerised dental material blocks21 Sep 2021US 11,123,170 B2Kulzer GmbH
- Soap melting assembly4 May 2021US 10,995,307 B2
- Microstructure array for delivery of active agents26 Mar 2026US 2026/0083948 A1Panther Life Sciences Corporation
- Method and device for molding a hardenable molding compound2 Oct 2025US 2025/0303464 A1Technische Universität München
- Lightweight reinforced thermoplastic composite articles with a printable surface and methods and systems of producing them28 Aug 2025US 2025/0269567 A1Hanwha Azdel, Inc.
- Method and Device for Manufacturing Microneedle Elements and a Microneedle Element25 Jul 2024US 2024/0246266 A1LTS Lohmann Therapie-Systeme AG
- Casting mold for the production of a casting having a front and a back from a hardenable casting compound12 Oct 2023US 2023/0321877 A1Schock & Co. GmbH
Most cited
By later US patents
- Controlled casting of a shrinkable material151US 5,110,514 ASoane Technologies, Inc. · 1992
- Method of fabricating ultrasonic coupler149US 5,882,557 AFujitsu Limited · 1999
- Method and apparatus for producing an optical element114US 4,988,274 ADresser Industries, Inc. · 1991
- Method and assembly for molding optical lenses87US 4,257,988 AOptical Warehouse Showroom and Manufacturing, Inc. · 1981
- Contact lens casting mould51US 5,252,056 ACiba-Geigy Corporation · 1993