H01H 2229/044
Injection moulding
H01H2229/044 (Injection moulding) appears on 371 US grants and 337 published applications in this corpus.
Search patents in H01H- Granted patents
- 371
- Published applications
- 337
- Assignees
- 225
- Inventors
- 804
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 11 | 0 |
| 1999 | 6 | 0 |
| 2000 | 10 | 0 |
| 2001 | 9 | 13 |
| 2002 | 19 | 12 |
| 2003 | 18 | 13 |
| 2004 | 9 | 9 |
| 2005 | 10 | 20 |
| 2006 | 15 | 20 |
| 2007 | 9 | 11 |
| 2008 | 5 | 16 |
| 2009 | 8 | 27 |
| 2010 | 16 | 22 |
| 2011 | 15 | 13 |
| 2012 | 12 | 12 |
| 2013 | 4 | 7 |
| 2014 | 7 | 14 |
| 2015 | 8 | 16 |
| 2016 | 14 | 12 |
| 2017 | 11 | 14 |
| 2018 | 10 | 15 |
| 2019 | 16 | 21 |
| 2020 | 15 | 23 |
| 2021 | 11 | 8 |
| 2022 | 14 | 3 |
| 2023 | 5 | 7 |
| 2024 | 2 | 5 |
| 2025 | 5 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Switch24 Feb 2026US 12,562,324 B2Alps Alpine Co., Ltd.
- Method of making a current breaker7 Oct 2025US 12,437,945 B2Astotec Automotive GmbH
- Lead frame and manufacturing method of lead frame insert molded article9 Sep 2025US 12,412,710 B2OMRON Corporation
- Rubber stem and switch apparatus29 Jul 2025US 12,374,513 B2Alps Alpine Co., Ltd.
- Low-travel illuminated key mechanism15 Jul 2025US 12,360,609 B2Apple Inc.
- Circuit breaker and manufacturing method therefor8 Oct 2026US 2026/0311947 A1Delta Electronics (Jiangsu) Ltd.
- Multi-color keyboard keycap with protruding contour line25 Jun 2026US 2026/0179861 A1Shenzhen Shicheng Optics Co., Ltd.
- Switch and insert molding method26 Jun 2025US 2025/0210286 A1Alps Alpine Co., Ltd.
- Composite Elastomeric Structure22 May 2025US 2025/0166944 A1Peratech IP Ltd
- Keyboard and electronic device10 Oct 2024US 2024/0339273 A1Honor Device Co., Ltd.
Most cited
By later US patents
- Two-shot injection molding225US 4,460,534 AInternational Business Machines Corporation · 1984
- Variable sensor with tactile feedback190US 6,344,791 B12002
- Transmissive optical elements including transparent plastic shell having a phosphor dispersed therein, and methods of fabricating same155US 7,029,935 B2Cree, Inc. · 2006
- Key-board switch unit152US 4,302,648 AShin-Etsu Polymer Co., Ltd. · 1981
- Keytop for push-button switches, and method of manufacturing same142US 5,399,821 ATeikoku Tsushin Kogyo Co., Ltd. · 1995