C25B 3/03
Acyclic or carbocyclic hydrocarbons
C25B3/03 (Acyclic or carbocyclic hydrocarbons) appears on 322 US grants and 567 published applications in this corpus.
Search patents in C25B- Granted patents
- 322
- Published applications
- 567
- Assignees
- 253
- Inventors
- 1,061
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 5 |
| 2009 | 0 | 0 |
| 2010 | 1 | 5 |
| 2011 | 2 | 7 |
| 2012 | 3 | 8 |
| 2013 | 4 | 21 |
| 2014 | 8 | 21 |
| 2015 | 11 | 17 |
| 2016 | 10 | 23 |
| 2017 | 11 | 18 |
| 2018 | 9 | 25 |
| 2019 | 12 | 20 |
| 2020 | 17 | 32 |
| 2021 | 22 | 39 |
| 2022 | 20 | 44 |
| 2023 | 31 | 52 |
| 2024 | 31 | 80 |
| 2025 | 50 | 83 |
| 2026 | 28 | 61 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for controlling organic hydride generation system, and organic hydride generation system22 Sep 2026US 12,742,245 B2Eneos Corporation
- CO2 conversion method1 Sep 2026US 12,723,317 B2Honda Motor Co., Ltd.
- Carbon-based catalytic devices25 Aug 2026US 12,716,136 B2Regents of the University of Minnesota
- Catalyst structure for electrochemical CO2 reduction, and method for producing same25 Aug 2026US 12,716,137 B2Seoul National University R&Db Foundation
- Cathode electrode for gas diffusion electrolytic flow cell, and gas diffusion electrolytic flow cell11 Aug 2026US 12,703,923 B2Kabushiki Kaisha Toyota Chuo Kenkyusho
- Electrochemical exsolution of metal/alloy nanoparticles1 Oct 2026US 2026/0297774 A1Ohio State Innovation Foundation
- Organic hydride production system, control device for organic hydride production system, and control method for organic hydride production system1 Oct 2026US 2026/0297778 A1Eneos Corporation
- Organic hydride production device, water removal device, and water removal method1 Oct 2026US 2026/0297780 A1Eneos Corporation
- Electrolyte Solution for Reversible CO2 Capture and Electrochemical Conversion24 Sep 2026US 2026/0286540 A1UNM Rainforest Innovations
- Carbon Dioxide Valorization Through Cation-Gradient Carbon Dioxide Capture and Electrolysis Coupled to Electrochemical Electrolyte Decarbonation27 Aug 2026US 2026/0249245 A1Dioxycle
Most cited
By later US patents
- Recycling of carbon dioxide into methyl alcohol and related oxygenates for hydrocarbons143US 5,928,806 A1999
- Silylium cationic polymerization activators for metallocene complexes117US 5,625,087 AThe Dow Chemical Company · 1997
- Photoelectrochemical reduction of carbon oxides105US 5,022,970 AGas Research Institute · 1991
- Methods and devices for the production of hydrocarbons from carbon and hydrogen sources63US 8,277,631 B2Principle Energy Solutions, Inc. · 2012
- Electrochemical synthesis of methane54US 4,609,440 AGas Research Institute · 1986