F16C 33/6685
Details of collecting or draining
Official title: {Details of collecting or draining, e.g. returning the liquid to a sump}
F16C33/6685 (Details of collecting or draining) appears on 198 US grants and 200 published applications in this corpus.
Search patents in F16C- Granted patents
- 198
- Published applications
- 200
- Assignees
- 131
- Inventors
- 512
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 0 |
| 2003 | 2 | 4 |
| 2004 | 3 | 8 |
| 2005 | 3 | 5 |
| 2006 | 4 | 5 |
| 2007 | 2 | 1 |
| 2008 | 5 | 6 |
| 2009 | 2 | 8 |
| 2010 | 1 | 4 |
| 2011 | 5 | 3 |
| 2012 | 3 | 3 |
| 2013 | 3 | 6 |
| 2014 | 6 | 7 |
| 2015 | 7 | 9 |
| 2016 | 6 | 11 |
| 2017 | 12 | 12 |
| 2018 | 6 | 13 |
| 2019 | 12 | 14 |
| 2020 | 13 | 14 |
| 2021 | 19 | 15 |
| 2022 | 9 | 11 |
| 2023 | 13 | 16 |
| 2024 | 11 | 11 |
| 2025 | 13 | 10 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pump, a bearing assembly for a pump and a method of assembling the bearing assembly26 May 2026US 12,638,053 B2Edwards Limited
- Wind turbine and bearing arrangement therefor12 May 2026US 12,624,729 B2Nordex Energy GmbH
- Bearing assembly with internal prime-retaining pressurized lubrication system14 Apr 2026US 12,601,375 B2Flowserve Pte. Ltd.
- System for sealing and draining oil leaks for a turbomachine bearing enclosure10 Feb 2026US 12,546,235 B2Safran Aircraft Engines
- Drive module for a motor vehicle30 Dec 2025US 12,508,839 B2ZF Friedrichshafen AG
- Rotary machine system and negative pressure unit13 Aug 2026US 2026/0238069 A1Mitsubishi Heavy Industries Compressor Corporation
- Bearing unit and gearing2 Jul 2026US 2026/0185563 A1Mitsubishi Electric Corporation
- Bearing device11 Jun 2026US 2026/0160298 A1Toyota Jidosha Kabushiki Kaisha
- Spindle lubricator of machine tool, machine tool, and use method of machine tool25 Dec 2025US 2025/0387861 A1Yamazaki Mazak Corporation
- Oil system breather configuration to capture oil emissions25 Dec 2025US 2025/0389207 A1Rtx Corporation
Most cited
By later US patents
- Bearing assembly with dynamic drainage supplied with lubricant48US 5,749,660 ASociete Nationale d'Etude de Contruction de Moteurs d'Aviation "Snecma" · 1998
- Bearing assembly for high speed shaft37US 4,370,106 ACummins Engine Company, Inc. · 1983
- Bifurcated oil scavenge system for a gas turbine engine37US 6,996,968 B2United Technologies Corporation · 2006
- Device for removing oil from annular spaces36US 5,261,751 AFAG Kugelfischer Georg Schafer (KGaA) · 1993
- Dynamic oil scavenge system34US 5,489,190 AAlliedSignal Inc. · 1996