H01R 11/281
For connections to batteries
Official title: {for connections to batteries}
H01R11/281 (For connections to batteries) appears on 851 US grants and 644 published applications in this corpus.
Search patents in H01R- Granted patents
- 851
- Published applications
- 644
- Assignees
- 340
- Inventors
- 1,480
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 11 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 10 | 0 |
| 1984 | 7 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 9 | 0 |
| 1988 | 9 | 0 |
| 1989 | 1 | 0 |
| 1990 | 15 | 0 |
| 1991 | 13 | 0 |
| 1992 | 9 | 0 |
| 1993 | 5 | 0 |
| 1994 | 13 | 0 |
| 1995 | 11 | 0 |
| 1996 | 19 | 0 |
| 1997 | 15 | 0 |
| 1998 | 19 | 0 |
| 1999 | 20 | 0 |
| 2000 | 16 | 0 |
| 2001 | 22 | 12 |
| 2002 | 27 | 19 |
| 2003 | 21 | 19 |
| 2004 | 23 | 19 |
| 2005 | 26 | 19 |
| 2006 | 13 | 21 |
| 2007 | 17 | 17 |
| 2008 | 21 | 14 |
| 2009 | 12 | 19 |
| 2010 | 17 | 18 |
| 2011 | 14 | 16 |
| 2012 | 17 | 17 |
| 2013 | 8 | 25 |
| 2014 | 16 | 25 |
| 2015 | 24 | 39 |
| 2016 | 35 | 30 |
| 2017 | 30 | 34 |
| 2018 | 38 | 54 |
| 2019 | 43 | 40 |
| 2020 | 45 | 49 |
| 2021 | 29 | 26 |
| 2022 | 33 | 31 |
| 2023 | 21 | 29 |
| 2024 | 19 | 30 |
| 2025 | 26 | 16 |
| 2026 | 11 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01R 11/288Interconnections between batteries192
- H01R 11/282Comprising means for facilitating engagement or disengagement187
- H01R 11/287Intermediate parts between battery post and cable end piece176
- H01R 11/283Bolt, screw or threaded ferrule parallel to the battery post100
- H01R 11/284Comprising means for preventing corrosion75
- H01R 11/289Characterised by the shape or the structure of the battery post71
- H01R 11/285Battery post and cable secured by the same locking means32
- H01R 11/286Having means for improving contact between battery post and clamping member32
Recent patents
- Structure for changing an inner diameter of a circular terminal22 Sep 2026US 12,744,337 B2Shenzhen Tuozheng Technology Co., Ltd.
- Circuit board18 Aug 2026US D1,142,266 S1The Noco Company · Design
- Cell connection unit for a battery module4 Aug 2026US 12,700,648 B2Samsung SDI.Co., Ltd.
- Battery apparatus9 Jun 2026US 12,651,800 B2CALB Co., Ltd.
- Connector assembly and electrical connection assembly9 Jun 2026US 12,651,875 B2Tyco Electronics (Shanghai) Co., Ltd.
- Module connector for electrically connecting to a module pole connection of a battery module, module pole connection and connecting assembly8 Oct 2026US 2026/0312301 A1Audi AG
- Battery terminal unit20 Aug 2026US 2026/0246114 A1Sumitomo Wiring Systems, Ltd.
- Bracket for vehicle battery terminal with quick connect electrical connector30 Jul 2026US 2026/0221574 A1Fca US LLC
- Inhibitor retention feature for electrical connection16 Apr 2026US 2026/0106388 A1TE Connectivity Solutions GmbH
- Finger-proof electrical terminal26 Feb 2026US 2026/0058397 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Battery snap terminal176US 4,024,953 AE. I. Du Pont de Nemours and Company · 1977
- Connecting device to vehicle battery terminals171US 6,347,958 B1Real Power Cap Company · 2002
- Two conductor split ring battery post connector170US 6,250,973 B1Multicraft International · 2001
- Battery side-terminal adapter and Kelvin connector163US 6,254,438 B1Snap-on Tools Corporation · 2001
- Clamp assembly for a battery booster cable155US 5,772,468 AColeman Cable System, Inc. · 1998