F16N 31/00
Means for collecting, retaining, or draining-off lubricant in or on machines or
Official title: Means for collecting, retaining, or draining-off lubricant in or on machines or apparatus (oil separators for separating oil from exhaust steam F22G)
F16N31/00 (Means for collecting, retaining, or draining-off lubricant in or on machines or) appears on 641 US grants and 429 published applications in this corpus.
Search patents in F16N- Granted patents
- 641
- Published applications
- 429
- Assignees
- 261
- Inventors
- 1,091
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 8 | 0 |
| 1978 | 8 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 8 | 0 |
| 1984 | 2 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 19 | 0 |
| 1988 | 13 | 0 |
| 1989 | 12 | 0 |
| 1990 | 12 | 0 |
| 1991 | 9 | 0 |
| 1992 | 17 | 0 |
| 1993 | 9 | 0 |
| 1994 | 14 | 0 |
| 1995 | 18 | 0 |
| 1996 | 23 | 0 |
| 1997 | 15 | 0 |
| 1998 | 18 | 0 |
| 1999 | 22 | 0 |
| 2000 | 13 | 0 |
| 2001 | 15 | 3 |
| 2002 | 13 | 8 |
| 2003 | 3 | 8 |
| 2004 | 9 | 16 |
| 2005 | 10 | 13 |
| 2006 | 8 | 8 |
| 2007 | 7 | 8 |
| 2008 | 5 | 12 |
| 2009 | 7 | 12 |
| 2010 | 3 | 9 |
| 2011 | 3 | 9 |
| 2012 | 13 | 22 |
| 2013 | 11 | 13 |
| 2014 | 13 | 17 |
| 2015 | 16 | 24 |
| 2016 | 22 | 29 |
| 2017 | 16 | 24 |
| 2018 | 21 | 23 |
| 2019 | 13 | 27 |
| 2020 | 21 | 18 |
| 2021 | 22 | 37 |
| 2022 | 26 | 24 |
| 2023 | 27 | 24 |
| 2024 | 30 | 17 |
| 2025 | 19 | 16 |
| 2026 | 15 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Circulation sump device for an electric drive unit of a vehicle22 Sep 2026US 12,744,431 B2Bayerische Motoren Werke Aktiengesellschaft
- Brake motor1 Sep 2026US 12,723,711 B2Sanyo Denki Co., Ltd.
- Fluid evacuation collection vessel assemblies and fluid evacuation systems and methods7 Jul 2026US 12,674,403 B2JohnDow Industries, Inc.
- Device having tunnel portion and catch tank portion30 Jun 2026US 12,671,300 B2JATCO Ltd
- Valve for supplying and purging lubricants from systems19 May 2026US 12,631,292 B2Caterpillar Inc.
- Fluid evacuation collection vessel assemblies and fluid evacuation systems and methods17 Sep 2026US 2026/0275888 A1JohnDow Industries, Inc.
- Chain lubrication tool with fluid recovery feature2 Jul 2026US 2026/0185658 A1
- Rotary apparatus and method for sealing a rotary apparatus28 May 2026US 2026/0145925 A1Krones AG
- Oil tank return for an aircraft engine oil system26 Mar 2026US 2026/0085626 A1Pratt & Whitney Canada Corp.
- Container for collecting and containing a liquid drained from a vehicle26 Mar 2026US 2026/0085786 A1Canadian Tire Corporation, Limited
Most cited
By later US patents
- Motor vehicle servicing system135US 4,789,047 A1988
- Non-woven webs and methods of manufacturing the same116US 8,118,177 B2Sellars Absorbent Materials, Inc. · 2012
- Portable containment for chemicals101US 5,090,588 APortable Containment, Inc. · 1992
- Collapsible receptacle assembly and related method82US 5,016,772 A1991
- Oil change and recycling system76US 5,454,960 AAdvanced Building Technologies, Inc. · 1995