H01F 41/094
Tensioning or braking devices
H01F41/094 (Tensioning or braking devices) appears on 41 US grants and 29 published applications in this corpus.
Search patents in H01F- Granted patents
- 41
- Published applications
- 29
- Assignees
- 35
- Inventors
- 99
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 2 | 2 |
| 2016 | 2 | 0 |
| 2017 | 2 | 1 |
| 2018 | 0 | 5 |
| 2019 | 2 | 2 |
| 2020 | 3 | 2 |
| 2021 | 3 | 1 |
| 2022 | 2 | 2 |
| 2023 | 2 | 2 |
| 2024 | 0 | 2 |
| 2025 | 4 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stator coil winding machine18 Nov 2025US 12,476,524 B2Rainbow Robotics
- Winding machine and method of manufacturing coil8 Jul 2025US 12,354,790 B2Nidec Corporation
- Wire rod disposing device and wire rod disposition method20 May 2025US 12,304,767 B2Nittoku Co., Ltd.
- Method and device for winding foil coil of stereoscopic wound iron core transformer1 Apr 2025US 12,266,471 B2Guangdong Tritype Electric Co. LTD.
- Tracking metallic wires during a winding operation7 Nov 2023US 11,806,770 B1Clark Innovative Technologies, LLC
- Wire rod disposing device and wire rod disposition method11 Jun 2026US 2026/0159351 A1Nittoku Co., Ltd.
- Method for Winding a Winding Material via a Brake Roller onto a Winding Body having a Non-Circular Cross Section26 Mar 2026US 2026/0084922 A1Siemens Aktiengesellschaft
- Assembly for tensioning wires for forming components of electrical windings7 Aug 2025US 2025/0250139 A1ATOP S.p.A.
- Coil winding machine and coil winding method thereof26 Sep 2024US 2024/0321515 A1Metal Industries Research & Development Centre
- Method and device for winding foil coil of stereoscopic wound iron core transformer21 Mar 2024US 2024/0096552 A1Guangdong Tritype Electric Co. LTD.
Most cited
By later US patents
- Apparatus for and method of controlling tension of a filamentary material21US 5,421,534 AMeteor AG · 1995
- Apparatus for controlling the tension of a wire fed to a winding machine16US 5,240,194 AProsys S.A. Z.A.E. Findrol · 1993
- Automatic tensioning control for winding stator coils15US 4,381,852 AWestinghouse Electric Corp. · 1983
- Method and apparatus for laminating foils into a superconducting tape for use in a superconducting magnet15US 5,299,728 AGeneral Electric Company · 1994
- Winding apparatus12US 4,434,945 AMatsushita Electric Industrial Co., Ltd. · 1984