F04B 39/0284
Constructional details
Official title: {Constructional details, e.g. reservoirs in the casing (swash-plate compressors F04B27/0878, F04B27/109)}
F04B39/0284 (Constructional details) appears on 169 US grants and 224 published applications in this corpus.
Search patents in F04B- Granted patents
- 169
- Published applications
- 224
- Assignees
- 115
- Inventors
- 436
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 4 |
| 2005 | 0 | 4 |
| 2006 | 2 | 9 |
| 2007 | 2 | 4 |
| 2008 | 1 | 4 |
| 2009 | 2 | 5 |
| 2010 | 2 | 5 |
| 2011 | 2 | 2 |
| 2012 | 2 | 3 |
| 2013 | 1 | 4 |
| 2014 | 6 | 4 |
| 2015 | 2 | 20 |
| 2016 | 5 | 15 |
| 2017 | 10 | 17 |
| 2018 | 11 | 19 |
| 2019 | 17 | 15 |
| 2020 | 18 | 24 |
| 2021 | 16 | 16 |
| 2022 | 15 | 13 |
| 2023 | 13 | 9 |
| 2024 | 13 | 6 |
| 2025 | 9 | 8 |
| 2026 | 3 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fluid sample pump system9 Jun 2026US 12,650,118 B2Mustang Sampling, LLC
- Reciprocating compressor19 May 2026US 12,631,169 B2LG Electronics Inc.
- Oil supply device for compressor, compressor, and refrigeration equipment10 Feb 2026US 12,546,301 B2Haier Smart Home Co., Ltd.
- Device for compressing a gas and method of assembling such device2 Dec 2025US 12,486,836 B2Atlas Copco Airpower, Naamloze Vennootschap
- Oil supply device for compressor, compressor, and refrigeration equipment21 Oct 2025US 12,448,959 B2Haier Smart Home Co., Ltd.
- Refrigerant compressor13 Aug 2026US 2026/0235336 A1Secop GmbH
- Reciprocating compressor25 Jun 2026US 2026/0177045 A1LG Electronics Inc.
- Hydraulic end of fracturing pump4 Jun 2026US 2026/0153082 A1Yantai Jereh Oilfield Services Group Co., Ltd.
- Hydraulic end of fracturing pump4 Jun 2026US 2026/0153083 A1Yantai Jereh Oilfield Services Group Co., Ltd.
- Dry-sump reciprocating piston compressor with lubricant circuit14 May 2026US 2026/0132776 A1Officine Mario Dorin S.P.A.
Most cited
By later US patents
- Oil cooled piston38US 4,056,044 ACaterpillar Tractor Co. · 1977
- Linear compressor25US 6,273,688 B1Matsushita Electric Industrial Co., Ltd. · 2001
- Hermetic refrigeration compressor19US 5,118,263 A1992
- Oil supply apparatus for friction portion of linear compressor19US 5,993,175 ALG Electronics Inc. · 1999
- Monoblock internal combustion engine with air compressor components17US 5,400,751 AHurricane Compressors · 1995