H01R 4/4821
Single-blade spring
Official title: {Single-blade spring}
H01R4/4821 (Single-blade spring) appears on 727 US grants and 688 published applications in this corpus.
Search patents in H01R- Granted patents
- 727
- Published applications
- 688
- Assignees
- 254
- Inventors
- 980
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 10 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 11 | 0 |
| 2001 | 10 | 5 |
| 2002 | 3 | 7 |
| 2003 | 5 | 7 |
| 2004 | 13 | 10 |
| 2005 | 10 | 6 |
| 2006 | 14 | 11 |
| 2007 | 16 | 19 |
| 2008 | 19 | 23 |
| 2009 | 22 | 31 |
| 2010 | 25 | 20 |
| 2011 | 25 | 28 |
| 2012 | 10 | 20 |
| 2013 | 23 | 23 |
| 2014 | 21 | 21 |
| 2015 | 28 | 34 |
| 2016 | 37 | 34 |
| 2017 | 38 | 37 |
| 2018 | 41 | 49 |
| 2019 | 50 | 39 |
| 2020 | 36 | 38 |
| 2021 | 39 | 46 |
| 2022 | 39 | 54 |
| 2023 | 41 | 21 |
| 2024 | 24 | 42 |
| 2025 | 15 | 30 |
| 2026 | 23 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Clamping body and connecting terminal for an electric conductor8 Sep 2026US 12,731,918 B2Siemens Aktiengesellschaft
- Terminal for electrical lines1 Sep 2026US 12,725,972 B2Phoenix Contact GmbH & Co.KG
- Terminal block having pressing feature18 Aug 2026US 12,712,297 B2Dinkle Electric Machinery (China) Co., Ltd.
- Plug connector11 Aug 2026US 12,706,414 B2Weidmüller Interface GmbH & Co. KG
- Electric cable connection system14 Jul 2026US 12,683,302 B2HARTING Electric Stiftung & Co. KG
- Clip-type connector and device17 Sep 2026US 2026/0280161 A1SMK Corporation
- Elastic Contact Terminal for the End of a Lamp, and a Lamp Comprising the Same27 Aug 2026US 2026/0251272 A1Self Electronics Co., Ltd.
- Electrical Wire Connector and Methods of Use6 Aug 2026US 2026/0229795 A1
- Connecting terminal with a clamp spring wherein the actuator thereof can be engagingly attached23 Jul 2026US 2026/0213435 A1HARTING Electric Stiftung & Co. KG
- Terminal block16 Jul 2026US 2026/0204814 A1Dinkle Electric Machinery (China) Co., Ltd.
Most cited
By later US patents
- Terminal block for connecting electrical conductors118US 7,544,103 B2MC Technology GmbH · 2009
- Terminal block for connecting electrical conductors102US 7,462,076 B2MC Technology GmbH · 2008
- Wire connector96US 6,851,967 B2OMRON Corporation · 2005
- Connecting terminal91US 7,780,460 B2MC Technology GmbH · 2010
- Single terminal85US 8,083,556 B2MC Technology GmbH · 2011