Y02P 30/40
Ethylene production
Y02P30/40 (Ethylene production) appears on 1,357 US grants and 1,308 published applications in this corpus.
Search patents in Y02P- Granted patents
- 1,357
- Published applications
- 1,308
- Assignees
- 390
- Inventors
- 2,290
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 19 | 0 |
| 1978 | 20 | 0 |
| 1979 | 15 | 0 |
| 1980 | 8 | 0 |
| 1981 | 19 | 0 |
| 1982 | 22 | 0 |
| 1983 | 14 | 0 |
| 1984 | 21 | 0 |
| 1985 | 23 | 0 |
| 1986 | 13 | 0 |
| 1987 | 14 | 0 |
| 1988 | 11 | 0 |
| 1989 | 9 | 0 |
| 1990 | 11 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 11 | 0 |
| 2000 | 19 | 0 |
| 2001 | 13 | 4 |
| 2002 | 28 | 21 |
| 2003 | 31 | 55 |
| 2004 | 27 | 60 |
| 2005 | 26 | 66 |
| 2006 | 54 | 57 |
| 2007 | 56 | 61 |
| 2008 | 46 | 40 |
| 2009 | 34 | 53 |
| 2010 | 50 | 84 |
| 2011 | 47 | 70 |
| 2012 | 38 | 62 |
| 2013 | 46 | 79 |
| 2014 | 67 | 76 |
| 2015 | 71 | 99 |
| 2016 | 54 | 77 |
| 2017 | 76 | 59 |
| 2018 | 58 | 38 |
| 2019 | 56 | 39 |
| 2020 | 45 | 59 |
| 2021 | 33 | 36 |
| 2022 | 28 | 33 |
| 2023 | 26 | 45 |
| 2024 | 25 | 19 |
| 2025 | 20 | 10 |
| 2026 | 9 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Particles with an ASTM D-5757 attrition index between 5 and 2511 Aug 2026US 12,702,969 B2Cochise Technology, LLC
- Methods and systems for converting carbon oxides to olefins16 Jun 2026US 12,655,075 B2Lummus Technology Inc.
- Fluidized catalytic cracking unit system with integrated reformer-electrolyzer-purifier26 May 2026US 12,637,624 B2FuelCell Energy, Inc.
- Hydrocarbon pyrolysis with less exhaust emission12 May 2026US 12,624,295 B2ExxonMobil Chemical Patents Inc.
- Membrane capture of CO2 from refinery emissions7 Apr 2026US 12,594,523 B2Chevron U.S.A.Inc.
- Process for producing c2-c4 olefins from methanol30 Jul 2026US 2026/0217626 A1BASF SE
- Method for converting ethanol and methods for producing other hydrocarbons18 Jun 2026US 2026/0167872 A1Asahi Kasei Kabushiki Kaisha
- Process for the production of aei-type zeolitic materials having a defined morphology14 May 2026US 2026/0131319 A1
- Method for producing c2-c4 olefins from methanol and ethanol26 Mar 2026US 2026/0085247 A1BASF SE
- Methods and systems for making light olefins and ethanol from a carbon source gas15 Jan 2026US 2026/0015303 A1Air Company Holdings, Inc.
Most cited
By later US patents
- In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well270US 6,932,155 B2Shell Oil Company · 2005
- In situ recovery from a hydrocarbon containing formation using barriers250US 7,077,198 B2Shell Oil Company · 2006
- In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor233US 7,114,566 B2Shell Oil Company · 2006
- Producing hydrocarbons and non-hydrocarbon containing materials when treating a hydrocarbon containing formation229US 7,100,994 B2Shell Oil Company · 2006
- Methods and systems for heating a hydrocarbon containing formation in situ with an opening contacting the earth's surface at two locations222US 7,063,145 B2Shell Oil Company · 2006