C10M 133/20
Ureas
Official title: Ureas; Semicarbazides; Allophanates
C10M133/20 (Ureas) appears on 31 US grants and 23 published applications in this corpus.
Search patents in C10M- Granted patents
- 31
- Published applications
- 23
- Assignees
- 32
- Inventors
- 83
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 3 |
| 2003 | 2 | 2 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 2 | 4 |
| 2023 | 1 | 2 |
| 2024 | 1 | 3 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rolling bearing24 Mar 2026US 12,584,523 B2Aktiebolaget Skf
- Lubricating oil composition for internal combustion engine17 Jun 2025US 12,331,262 B2Eneos Corporation
- Tribological system10 Jun 2025US 12,325,836 B2Klueber Lubrication Muenchen SE & Co. KG
- Tribological system20 Feb 2024US 11,905,483 B2Klueber Lubrication Muenchen SE & Co. KG
- Composite material29 Aug 2023US 11,739,284 B2National Institute of Technology
- Grease composition10 Sep 2026US 2026/0265636 A1Adeka Corporation
- Rolling bearing31 Oct 2024US 2024/0360874 A1Aktiebolaget Skf
- Lubricating oil composition for internal combustion engine17 Oct 2024US 2024/0343990 A1Eneos Corporation
- Tribological system25 Apr 2024US 2024/0132796 A1Klueber Lubrication Muenchen SE & Co. KG
- Tribological system2 Mar 2023US 2023/0063820 A1Klueber Lubrication Muenchen SE & Co. KG
Most cited
By later US patents
- Thermoplastic compatible conveyor lubricant96US 5,352,376 AEcolab Inc. · 1994
- Conveyor track lubricant composition employing phosphate esters and method of using same38US 4,521,321 ADiversey Wyandotte Corporation · 1985
- Bottle stopper with pressure indicator27US 6,651,834 B2Hometec Limited · 2003
- Water soluble metal working fluids20US 6,706,670 B2Solutia Inc. · 2004
- Chlorine-free silver protective lubricant composition (I)17US 4,948,523 AAmoco Corporation · 1990