H02K 17/16
Having rotors with internally short-circuited windings
Official title: having rotors with internally short-circuited windings, e.g. cage rotors
H02K17/16 (Having rotors with internally short-circuited windings) appears on 563 US grants and 569 published applications in this corpus.
Search patents in H02K- Granted patents
- 563
- Published applications
- 569
- Assignees
- 274
- Inventors
- 1,161
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 7 | 0 |
| 1989 | 10 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 9 | 0 |
| 1996 | 10 | 0 |
| 1997 | 12 | 0 |
| 1998 | 18 | 0 |
| 1999 | 16 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 2 |
| 2002 | 7 | 4 |
| 2003 | 3 | 11 |
| 2004 | 6 | 12 |
| 2005 | 8 | 13 |
| 2006 | 6 | 17 |
| 2007 | 7 | 17 |
| 2008 | 8 | 12 |
| 2009 | 4 | 6 |
| 2010 | 10 | 15 |
| 2011 | 7 | 23 |
| 2012 | 8 | 23 |
| 2013 | 17 | 30 |
| 2014 | 22 | 31 |
| 2015 | 21 | 31 |
| 2016 | 11 | 33 |
| 2017 | 20 | 21 |
| 2018 | 26 | 39 |
| 2019 | 28 | 39 |
| 2020 | 44 | 53 |
| 2021 | 43 | 39 |
| 2022 | 24 | 26 |
| 2023 | 19 | 19 |
| 2024 | 22 | 22 |
| 2025 | 16 | 18 |
| 2026 | 10 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electric motor having rotor and squirrel cage winding22 Sep 2026US 12,744,438 B2Sew-Eurodrive GmbH & Co. KG
- Synchronous electric motor, range of electric motors, device for closing, shading or protecting against the sun, comprising an electric motor from such a range and method for producing same21 Jul 2026US 12,689,248 B2Somfy Activites SA
- Canned rotodynamic flow machine for a molten salt nuclear reactor and an active magnetic bearing for use in a flow machine for a molten salt nuclear reactor12 May 2026US 12,624,698 B2Copenhagen Atomics A/S
- Rotor of an electric asynchronous machine and method for its production12 May 2026US 12,627,187 B2Wieland-Werke AG
- Rotor for rotary electric machine, manufacturing method and corresponding rotary electric machines5 May 2026US 12,620,852 B2Weg Equipamentos EléTricos S.A.
- Improvements relating to cooling of electric machines8 Oct 2026US 2026/0312450 A1Vestas Wind Systems A/S
- Rotor for an asynchronous electric machine24 Sep 2026US 2026/0291305 A1MAGNA Powertrain AG & Co KG
- Canned Rotodynamic Flow Machine For A Molten Salt Nuclear Reactor And An Active Magnetic Bearing For Use In A Flow Machine For A Molten Salt Nuclear Reactor20 Aug 2026US 2026/0243262 A1Copenhagen Atomics A/S
- Method for manufacturing an armature and/or rotor, as well as armature and/or rotor and electric machine20 Aug 2026US 2026/0246323 A1Additive Drives GmbH
- Rotor of an axial flux induction machine6 Aug 2026US 2026/0229972 A1Aura Systems, Inc.
Most cited
By later US patents
- Polyphase brushless DC and AC synchronous machines223US 5,334,899 A1994
- Method and apparatus for transducerless position and velocity estimation in drives for AC machines138US 5,585,709 AWisconsin Alumni Research Foundation · 1996
- Method and apparatus for transducerless position and velocity estimation in drives for AC machines124US 5,565,752 AWisconsin Alumni Research Foundation · 1996
- Parallel air gap serial flux A.C. electrical machine96US 5,396,140 ASatCon Technology Corporation · 1995
- Induction disk motor with metal tape components65US 4,363,988 AGeneral Electric Company · 1982