H02K 7/1823
Structurally associated with turbines or similar engines
Official title: {structurally associated with turbines or similar engines}
H02K7/1823 (Structurally associated with turbines or similar engines) appears on 2,813 US grants and 3,640 published applications in this corpus.
Search patents in H02K- Granted patents
- 2,813
- Published applications
- 3,640
- Assignees
- 1,101
- Inventors
- 5,383
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 10 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 6 | 0 |
| 1995 | 1 | 0 |
| 1996 | 7 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 14 | 4 |
| 2002 | 7 | 11 |
| 2003 | 11 | 19 |
| 2004 | 30 | 42 |
| 2005 | 27 | 41 |
| 2006 | 30 | 36 |
| 2007 | 17 | 47 |
| 2008 | 27 | 69 |
| 2009 | 24 | 60 |
| 2010 | 58 | 127 |
| 2011 | 69 | 147 |
| 2012 | 64 | 150 |
| 2013 | 107 | 149 |
| 2014 | 97 | 181 |
| 2015 | 117 | 168 |
| 2016 | 128 | 196 |
| 2017 | 170 | 270 |
| 2018 | 172 | 266 |
| 2019 | 230 | 255 |
| 2020 | 229 | 207 |
| 2021 | 220 | 219 |
| 2022 | 162 | 238 |
| 2023 | 192 | 215 |
| 2024 | 206 | 239 |
| 2025 | 215 | 161 |
| 2026 | 98 | 123 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Gas turbine engine with electric machine in engine core6 Oct 2026US 12,753,721 B2Pratt & Whitney Canada Corp.
- Submersible hydroelectric generator apparatus and method of operating same6 Oct 2026US 12,753,735 B2Static Hydro Energy (S.H.E.) Limited
- Cooling circuit for an electric generator6 Oct 2026US 12,753,741 B2Siemens Gamesa Renewable Energy A/S
- Barrier coating for an electric motor rotor assembly6 Oct 2026US 12,756,281 B2BorgWarner Inc.
- Cooling of coils of electrical machines22 Sep 2026US 12,744,422 B2GE Vernova Renovables Espana, S.L.
- Electric machine comprising a clutch assembly8 Oct 2026US 2026/0309086 A1Unison Industries, LLC
- Methods of generating electric power and a distributed network of a generator-turbine apparatus having a set of electric generators simultaneously driven by a gravity-force applied and moment imbalanced turbine8 Oct 2026US 2026/0309131 A1
- Improvements relating to cooling of electric machines8 Oct 2026US 2026/0312450 A1Vestas Wind Systems A/S
- A generator for use in a wind turbine8 Oct 2026US 2026/0312460 A1Vestas Wind Systems A/S
- Systems, Devices, and Methods for Electrical Generation from Vacuum Distillation1 Oct 2026US 2026/0295457 A1American Water and Energy LLC
Most cited
By later US patents
- Electric machine having an integrally continuous stator winding and stator slot bridges1,193US 6,936,948 B2Pratt & Whitney Canada Corp. · 2005
- Mobile electric power generation for hydraulic fracturing of subsurface geological formations496US 9,534,473 B2Evolution Well Services, LLC · 2017
- Energy conversion systems and methods405US 10,060,473 B2Oceana Energy Company · 2018
- Mobile, modular, electrically powered system for use in fracturing underground formations358US 9,103,193 B2Evolution Well Services, LLC · 2015
- System and method for powering a hydraulic pump357US 8,997,904 B2General Electric Company · 2015