F25J 2290/10
Mathematical formulae, modeling, plot or curves
Official title: Mathematical formulae, modeling, plot or curves; Design methods
F25J2290/10 (Mathematical formulae, modeling, plot or curves) appears on 167 US grants and 76 published applications in this corpus.
Search patents in F25J- Granted patents
- 167
- Published applications
- 76
- Assignees
- 41
- Inventors
- 272
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 10 | 0 |
| 1996 | 6 | 0 |
| 1997 | 11 | 0 |
| 1998 | 12 | 0 |
| 1999 | 11 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 3 |
| 2002 | 7 | 2 |
| 2003 | 9 | 7 |
| 2004 | 4 | 7 |
| 2005 | 4 | 3 |
| 2006 | 3 | 4 |
| 2007 | 2 | 6 |
| 2008 | 0 | 7 |
| 2009 | 3 | 3 |
| 2010 | 2 | 6 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 2 | 8 |
| 2014 | 2 | 2 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 5 | 3 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 2 | 2 |
| 2022 | 0 | 5 |
| 2023 | 1 | 1 |
| 2024 | 3 | 0 |
| 2025 | 2 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for configuring a control system for a process plant29 Sep 2026US 12,747,912 B2Linde Aktiengesellschaft
- Method for operating a process plant10 Mar 2026US 12,571,586 B2Linde Aktiengesellschaft
- Carbon dioxide recycle stream processing with ethylene glycol dehydrating in an enhanced oil recovery process18 Nov 2025US 12,474,115 B2Pilot Intellectual Property, LLC
- Method for monitoring a process engineering installation, and process engineering installation18 Feb 2025US 12,228,898 B2Linde Aktiengesellschaft
- Optimized natural gas production control system with actual flow and set point tracking features11 Jun 2024US 12,007,165 B2Saudi Arabian Oil Company
- Low-temperature distillation method for capturing carbon dioxide11 Jun 2026US 2026/0160489 A1Shihezi University
- Dynamic control of reflux rate in hydrocarbon distillation12 Feb 2026US 2026/0043606 A1Saudi Arabian Oil Company
- Turbo-expander intelligent performance monitoring system27 Feb 2025US 2025/0067506 A1Saudi Arabian Oil Company
- Compact system and method for the production of liquefied natural gas7 Dec 2023US 2023/0392860 A1Shell Oil Company
- Optimized natural gas production control system with actual flow and set point tracking features8 Dec 2022US 2022/0390170 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Process for recovering hydrogen from a multi-component gas stream113US 4,654,063 AAir Products and Chemicals, Inc. · 1987
- Statistical process control for air separation process99US 5,257,206 APraxair Technology, Inc. · 1993
- Cryogenic system for producing low-purity oxygen70US 4,224,045 AUnion Carbide Corporation · 1980
- Liquefaction apparatus50US 6,250,244 B1BHP Petroleum Pty Ltd. · 2001
- Process for the generation of gaseous and/or liquid nitrogen49US 4,595,405 AAir Products and Chemicals, Inc. · 1986