H01R 4/4881
Using a louver type spring
Official title: {using a louver type spring}
H01R4/4881 (Using a louver type spring) appears on 63 US grants and 60 published applications in this corpus.
Search patents in H01R- Granted patents
- 63
- Published applications
- 60
- Assignees
- 46
- Inventors
- 132
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 2 | 1 |
| 2003 | 0 | 5 |
| 2004 | 4 | 4 |
| 2005 | 2 | 1 |
| 2006 | 3 | 2 |
| 2007 | 2 | 2 |
| 2008 | 3 | 2 |
| 2009 | 0 | 2 |
| 2010 | 4 | 3 |
| 2011 | 3 | 5 |
| 2012 | 3 | 1 |
| 2013 | 2 | 1 |
| 2014 | 3 | 6 |
| 2015 | 4 | 1 |
| 2016 | 5 | 7 |
| 2017 | 3 | 1 |
| 2018 | 4 | 2 |
| 2019 | 0 | 5 |
| 2020 | 4 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 3 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Electrical contact element comprising a carrier strip and a plurality of contact parts26 Apr 2022US 11,316,293 B2Stäubli Electrical Connectors AG
- Contact device and system16 Nov 2021US 11,177,586 B2TE Connectivity Germany GmbH
- Gas cooled high power connection rod29 Feb 2024US 2024/0071729 A1APPLIED Materials.Inc.
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- Electric Connector for High Power Charging15 Jun 2023US 2023/0182592 A1ABB E-mobility B.V.
- Power conversion device2 Feb 2023US 2023/0037202 A1Panasonic Intellectual Property Management Co., Ltd.
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Most cited
By later US patents
- Electrical contact with plural arch-shaped elements69US 7,074,096 B2Tyco Electronics Corporation · 2006
- Contact sheet for providing an electrical connection between a plurality of electronic devices40US 6,719,569 B2NGK Insulators, Ltd. · 2004
- Contact element and process for the production of a contact element37US 5,261,840 ASotax AG · 1993
- Terminal fitting connecting structure35US 8,128,441 B2Sumitomo Wiring Systems, Ltd. · 2012
- Connector for coaxial cable and method34US 7,357,672 B2John Mezzalingua Associates, Inc. · 2008