G01N 33/2811
By measuring cloud point or pour point of oils
Official title: {by measuring cloud point or pour point of oils}
G01N33/2811 (By measuring cloud point or pour point of oils) appears on 54 US grants and 48 published applications in this corpus.
Search patents in G01N- Granted patents
- 54
- Published applications
- 48
- Assignees
- 40
- Inventors
- 136
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 3 | 1 |
| 2005 | 2 | 3 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 2 | 3 |
| 2013 | 0 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 2 |
| 2016 | 2 | 8 |
| 2017 | 1 | 3 |
| 2018 | 2 | 3 |
| 2019 | 1 | 0 |
| 2020 | 4 | 3 |
| 2021 | 4 | 3 |
| 2022 | 2 | 2 |
| 2023 | 2 | 6 |
| 2024 | 1 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Real time integrity monitoring of on-shore pipes5 Aug 2025US 12,379,075 B2FlexSteel USA, LLC
- Method to prepare virtual assay using gel permeation chromatography4 Mar 2025US 12,241,883 B2Saudi Arabian Oil Company
- Method to prepare virtual assay using fourier transform infrared spectroscopy27 Feb 2024US 11,913,332 B2Saudi Arabian Oil Company
- Method for determining at least one parameter that represents a change in a fluid by multi-point near-infrared spectroscopy17 Oct 2023US 11,788,954 B2Ifp Energies Nouvelles
- Real time integrity monitoring of on-shore pipes20 Jun 2023US 11,680,685 B2Trinity Bay Equipment Holdings, LLC
- Light scattering for detecting particle formation in fuels30 Apr 2026US 2026/0118243 A1
- Cold filter plugging point prediction using spectroscopy27 Feb 2025US 2025/0067665 A1ExxonMobil Technology and Engineering Company
- Real time integrity monitoring of on-shore pipes12 Oct 2023US 2023/0324010 A1Trinity Bay Equipment Holdings, LLC
- Method to prepare virtual assay using gel permeation chromatography31 Aug 2023US 2023/0271108 A1Saudi Arabian Oil Company
- Method to prepare virtual assay using fourier transform infrared spectroscopy31 Aug 2023US 2023/0272714 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Method of and apparatus for determining deposition-point temperature48US 5,827,952 ASandia National Laboratories · 1998
- Acoustic-wave sensor apparatus for analyzing a petroleum-based composition and sensing solidification of constituents therein46US 5,661,233 ASandia Corporation · 1997
- Measurement of wax precipitation temperature and precipitated solid weight percent versus temperature by infrared spectroscopy27US 6,841,779 B1University of Utah Research Foundation · 2005
- Method and apparatus for monitoring cloud point or like transition temperature24US 5,088,833 ANova Husky Research Corporation · 1992
- Method and apparatus for determining phase transition temperature using laser attenuation20US 4,804,274 AMobil Oil Corporation · 1989