Y10T 74/19991
Lubrication
Y10T74/19991 (Lubrication) appears on 485 US grants and 187 published applications in this corpus.
Search patents in Y10T- Granted patents
- 485
- Published applications
- 187
- Assignees
- 252
- Inventors
- 905
- Latest grant
- 21 Jul 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 14 | 0 |
| 1981 | 11 | 0 |
| 1982 | 19 | 0 |
| 1983 | 11 | 0 |
| 1984 | 19 | 0 |
| 1985 | 10 | 0 |
| 1986 | 18 | 0 |
| 1987 | 17 | 0 |
| 1988 | 24 | 0 |
| 1989 | 20 | 0 |
| 1990 | 12 | 0 |
| 1991 | 20 | 0 |
| 1992 | 12 | 0 |
| 1993 | 17 | 0 |
| 1994 | 14 | 0 |
| 1995 | 9 | 0 |
| 1996 | 15 | 0 |
| 1997 | 11 | 0 |
| 1998 | 12 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 10 | 3 |
| 2002 | 9 | 11 |
| 2003 | 7 | 4 |
| 2004 | 7 | 11 |
| 2005 | 6 | 6 |
| 2006 | 4 | 15 |
| 2007 | 5 | 11 |
| 2008 | 8 | 17 |
| 2009 | 9 | 12 |
| 2010 | 6 | 17 |
| 2011 | 15 | 9 |
| 2012 | 13 | 22 |
| 2013 | 8 | 17 |
| 2014 | 19 | 10 |
| 2015 | 14 | 17 |
| 2016 | 11 | 1 |
| 2017 | 12 | 1 |
| 2018 | 4 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Gearing21 Jul 2020US 10,718,421 B2Sew-Eurodrive GmbH & Co. KG
- System for the contactless sealing of a rotatably mounted shaft with respect to a housing, and gear unit21 Aug 2018US 10,054,228 B2Sew-Eurodrive GmbH & Co. KG
- Drive system8 May 2018US 9,964,188 B2Columbia Insurance Company
- Drive force transmission device13 Mar 2018US 9,915,339 B2Nissan Motor Co., Ltd.
- Gearbox lubrication20 Feb 2018US 9,897,193 B2Agustawestland S.P.A.
- Gear spindle device for rolling mill, rolling mill facility, and method of cooling gear spindle device for rolling mill7 Dec 2023US 2023/0390816 A1Primetals Technologies Japan, Ltd.
- Transmission Device12 Jul 2018US 2018/0195550 A1T.K.T. Enterprises, Inc. (d/b/a Dealers Transmision Exchange)
- Gearing3 May 2018US 2018/0119791 A1Sew-Eurodrive GmbH & Co. KG
- System for the Contactless Sealing of a Rotatably Mounted Shaft with Respect to a Housing, and Gear Unit17 Aug 2017US 2017/0234429 A1Sew-Eurodrive GmbH & Co. KG
- Transmission device3 Mar 2016US 2016/0061252 A1T.K.T. Enterprises, Inc. (d/b/a Dealers Transmission Exchange)
Most cited
By later US patents
- Star gear system with lubrication circuit and lubrication method therefor618US 6,223,616 B1United Technologies Corporation · 2001
- Lubrication system for a planetary gear train187US 5,472,383 AUnited Technologies Corporation · 1995
- Traction surface cooling method and apparatus156US 4,369,667 AVadetec Corporation · 1983
- Transmission lubrication and motor cooling system81US 4,418,777 AFord Motor Company · 1983
- Toothed gear system66US 4,583,413 ANorthern Engineering Industries plc · 1986