F04C 29/045
Of the electric motor in hermetic pumps
Official title: {of the electric motor in hermetic pumps}
F04C29/045 (Of the electric motor in hermetic pumps) appears on 216 US grants and 260 published applications in this corpus.
Search patents in F04C- Granted patents
- 216
- Published applications
- 260
- Assignees
- 105
- Inventors
- 633
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 2 |
| 2002 | 3 | 10 |
| 2003 | 7 | 12 |
| 2004 | 7 | 14 |
| 2005 | 5 | 3 |
| 2006 | 7 | 12 |
| 2007 | 6 | 4 |
| 2008 | 4 | 7 |
| 2009 | 5 | 10 |
| 2010 | 3 | 7 |
| 2011 | 4 | 7 |
| 2012 | 9 | 8 |
| 2013 | 4 | 7 |
| 2014 | 7 | 10 |
| 2015 | 5 | 9 |
| 2016 | 4 | 8 |
| 2017 | 5 | 6 |
| 2018 | 6 | 15 |
| 2019 | 7 | 10 |
| 2020 | 12 | 16 |
| 2021 | 12 | 11 |
| 2022 | 9 | 9 |
| 2023 | 8 | 15 |
| 2024 | 17 | 12 |
| 2025 | 20 | 21 |
| 2026 | 11 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electric compressor6 Oct 2026US 12,753,764 B2Kabushiki Kaisha Toyota Jidoshokki
- Vertical type compressor and laundry treating apparatus having the same22 Sep 2026US 12,742,456 B2LG Electronics Inc.
- Thermistor flow path8 Sep 2026US 12,729,681 B2GHSP, Inc.
- Electric compressor having an internal flow path arranged on an opposite side of a suction port relative to a first plane19 May 2026US 12,631,184 B2Hanon Systems
- Thermistor flow path5 May 2026US 12,618,406 B2GHSP, Inc.
- Thermistor flow path10 Sep 2026US 2026/0266285 A1GHSP, Inc.
- Thermistor flow path13 Aug 2026US 2026/0235120 A1GHSP, Inc.
- Electric compressor with integrated vapor injection circuit30 Jul 2026US 2026/0218703 A1Mahle International GmbH
- Electric compressor30 Jul 2026US 2026/0218706 A1Hanon Systems
- Hermetic compressor and refrigeration cycle apparatus30 Jul 2026US 2026/0218707 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Scroll compressor with means for end plate bias and cooled gas return to sealed compressor spaces96US 4,216,661 AHitachi, Ltd. · 1980
- Overheat protection for fluid pump89US 6,837,688 B2Standex International Corporation · 2005
- Scroll compressor77US 4,564,339 AMitsubishi Denki Kabushiki Kaisha · 1986
- Motor cooling in a refrigeration system75US 6,032,472 ACarrier Corporation · 2000
- Scroll compressor having a frame and open sleeve for controlling gas and lubricant flow65US 5,533,875 AAmerican Standard Inc. · 1996