H01R 4/301
Having means for preventing complete unscrewing of screw or nut
Official title: {having means for preventing complete unscrewing of screw or nut}
H01R4/301 (Having means for preventing complete unscrewing of screw or nut) appears on 69 US grants and 56 published applications in this corpus.
Search patents in H01R- Granted patents
- 69
- Published applications
- 56
- Assignees
- 67
- Inventors
- 169
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 3 | 4 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 5 |
| 2011 | 3 | 1 |
| 2012 | 3 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 2 |
| 2016 | 3 | 5 |
| 2017 | 4 | 7 |
| 2018 | 5 | 4 |
| 2019 | 7 | 3 |
| 2020 | 3 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 4 |
| 2023 | 1 | 3 |
| 2024 | 2 | 4 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Module connector and method for electrically conductively connecting a module connector to a battery module30 Dec 2025US 12,512,563 B2ElringKlinger AG
- Coupling system for establishing an electric connection8 Jul 2025US 12,355,198 B2Voith Patent GmbH
- Bus bar and wire harness26 Nov 2024US 12,155,163 B2Sumitomo Wiring Systems, Ltd.
- Electrical connection for motor vehicle cable14 May 2024US 11,984,676 B2Auto-Kabel Management GmbH
- Battery terminal21 Feb 2023US 11,588,259 B2Yazaki Corporation
- Terminal block9 Apr 2026US 2026/0100525 A1Yazaki Corporation
- Terminal block2 Apr 2026US 2026/0094983 A1Sumitomo Wiring Systems, Ltd.
- Terminal Block with Holder31 Jul 2025US 2025/0246824 A1Tyco Electronics AMP Korea Co., Ltd.
- Housing Assembly for a Module Connector with Pre-Locked Screw19 Dec 2024US 2024/0421454 A1TE Connectivity Solutions GmbH
- Clamp24 Oct 2024US 2024/0356245 A1Hora Etec GmbH
Most cited
By later US patents
- Screw or nut and a captive washer51US 4,123,132 APye (Electronic Products) Limited · 1978
- Electrical switching device with blow-out channels for arc gases32US 5,811,749 AKlockner-Moeller GmbH · 1998
- Electromagnetic contactor28US 4,899,120 AFuji Electric Co., Ltd. · 1990
- Terminal block for printed circuit boards28US 5,203,716 AMolex Incorporated · 1993
- Captive thread forming terminal screw24US 4,261,402 ATextron Inc. · 1981