C10N 2040/44
Super vacuum or supercritical use
Official title: {Super vacuum or supercritical use}
C10N2040/44 (Super vacuum or supercritical use) appears on 1,041 US grants and 119 published applications in this corpus.
Search patents in C10N- Granted patents
- 1,041
- Published applications
- 119
- Assignees
- 328
- Inventors
- 1,530
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 11 | 0 |
| 1978 | 11 | 0 |
| 1979 | 11 | 0 |
| 1980 | 8 | 0 |
| 1981 | 22 | 0 |
| 1982 | 20 | 0 |
| 1983 | 13 | 0 |
| 1984 | 23 | 0 |
| 1985 | 14 | 0 |
| 1986 | 8 | 0 |
| 1987 | 11 | 0 |
| 1988 | 20 | 0 |
| 1989 | 28 | 0 |
| 1990 | 42 | 0 |
| 1991 | 56 | 0 |
| 1992 | 45 | 0 |
| 1993 | 61 | 0 |
| 1994 | 72 | 0 |
| 1995 | 75 | 0 |
| 1996 | 68 | 0 |
| 1997 | 59 | 0 |
| 1998 | 70 | 0 |
| 1999 | 51 | 0 |
| 2000 | 34 | 0 |
| 2001 | 60 | 17 |
| 2002 | 45 | 31 |
| 2003 | 28 | 25 |
| 2004 | 18 | 18 |
| 2005 | 10 | 8 |
| 2006 | 7 | 1 |
| 2007 | 6 | 2 |
| 2008 | 7 | 3 |
| 2009 | 4 | 3 |
| 2010 | 2 | 0 |
| 2011 | 3 | 1 |
| 2012 | 2 | 3 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 3 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pressure medium and method for using pressure medium14 Jul 2026US 12,680,045 B2Idemitsu Kosan Co., Ltd.
- Mineral oil type base oil, and vacuum pump oil22 Feb 2022US 11,254,889 B2Idemitsu Kosan Co., Ltd.
- Vacuum pump oil26 Oct 2021US 11,155,767 B2Idemitsu Kosan Co., Ltd.
- Sliding member and sliding machine1 Dec 2020US 10,851,776 B2Jtekt Corporation
- Lubricant composition using ionic liquid as a base oil and having excellent rust prevention properties21 Apr 2015US 9,012,381 B2Kyodo Yushi Co., Ltd.
- Pressure medium and method for using pressure medium17 Oct 2024US 2024/0343989 A1Idemitsu Kosan Co., Ltd.
- Lubricating oil compositions comprising biobased base oils1 Jun 2023US 2023/0167378 A1Chevron (China) Chemicals Co., Ltd.
- Mineral oil type base oil, and vacuum pump oil23 Jul 2020US 2020/0231890 A1Idemitsu Kosan Co., Ltd.
- Sliding member and sliding machine24 Oct 2019US 2019/0323498 A1Jtekt Corporation
- Vacuum pump oil20 Jun 2019US 2019/0185781 A1Idemitsu Kosan Co., Ltd.
Most cited
By later US patents
- Visco-elastic, isotropic materials based on water, fluorinate sufactants and fluorinated oils, process for their preparation, and their use in various fields, such as optics, pharmacology and electrodynamics274US 5,185,099 AInstitut National de Recherche Chimique Appliquee · 1993
- Lubricative coating composition, article and assembly containing same and method thereof210US 5,266,359 ABecton, Dickinson and Company · 1993
- Refrigeration lubricants168US 4,755,316 AAllied-Signal Inc. · 1988
- Method for preparing lubricated surfaces and product133US 4,844,986 ABecton, Dickinson and Company · 1989
- Ashless dispersants formed from substituted acylating agents and their production and use115US 5,241,003 AEthyl Petroleum Additives, Inc. · 1993