H02K 7/1815
Structurally associated with reciprocating piston engines
Official title: {structurally associated with reciprocating piston engines (general aspects of generating sets, e.g. housing, F02B63/04)}
H02K7/1815 (Structurally associated with reciprocating piston engines) appears on 598 US grants and 679 published applications in this corpus.
Search patents in H02K- Granted patents
- 598
- Published applications
- 679
- Assignees
- 314
- Inventors
- 1,288
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 5 |
| 2002 | 9 | 15 |
| 2003 | 17 | 21 |
| 2004 | 23 | 11 |
| 2005 | 13 | 13 |
| 2006 | 9 | 9 |
| 2007 | 6 | 8 |
| 2008 | 5 | 12 |
| 2009 | 5 | 21 |
| 2010 | 10 | 15 |
| 2011 | 8 | 8 |
| 2012 | 20 | 14 |
| 2013 | 13 | 24 |
| 2014 | 16 | 25 |
| 2015 | 14 | 28 |
| 2016 | 22 | 45 |
| 2017 | 39 | 73 |
| 2018 | 44 | 55 |
| 2019 | 57 | 47 |
| 2020 | 33 | 44 |
| 2021 | 43 | 39 |
| 2022 | 29 | 34 |
| 2023 | 42 | 32 |
| 2024 | 28 | 29 |
| 2025 | 20 | 30 |
| 2026 | 18 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dual oil pump with centrifugal shifter6 Oct 2026US 12,753,804 B1Schaeffler Technologies AG & Co. KG
- Multi-motor electrical generator system6 Oct 2026US 12,756,270 B2Iny LLC
- Perforated louvers to reduce noise leakage from a generator set enclosure29 Sep 2026US 12,749,944 B2Cummins Power Generation Inc.
- Battery-powered stand-alone motor unit25 Aug 2026US 12,719,331 B2Milwaukee Electric Tool Corporation
- Architecture and control system for electrically-powered accessories of a non-hybrid vehicle11 Aug 2026US 12,706,466 B2Cummins Inc.
- Mechanically coupled hybrid generator24 Sep 2026US 2026/0291327 A1Alliance North America, Inc.
- Multi-stage emission system for large displacement compression ignition non-road diesel, diesel-natural gas or alternative fuel mixture generator systems for emergency and non-emergency stationary power applications17 Sep 2026US 2026/0275892 A1Bluefin ESI, Inc.
- Mobile system for power generation17 Sep 2026US 2026/0275925 A1
- Systems and methods for power generation in a combined cycle utilizing a geobaric expander and a combustion turbine10 Sep 2026US 2026/0269688 A1CNX Resources Corporation
- Perforated louvers to reduce noise leakage from a generator set enclosure27 Aug 2026US 2026/0254312 A1Cummins Power Generation Inc.
Most cited
By later US patents
- System and method for powering a hydraulic pump357US 8,997,904 B2General Electric Company · 2015
- System for fueling electric powered hydraulic fracturing equipment with multiple fuel sources255US 10,020,711 B2U.S. Well Services, LLC · 2018
- System and method for powering a hydraulic pump177US 9,579,980 B2General Electric Company · 2017
- System and method for powering a hydraulic pump167US 10,358,035 B2General Electric Company · 2019
- Controller for permanent magnet generator155US 5,625,276 AColeman Powermate, Inc. · 1997