C01B
Non-metallic elements
Official title: Non-metallic elements; compounds thereof; {metalloids or compounds thereof not covered by subclass c01c}
C01B (Non-metallic elements) appears on 47,053 US grants and 49,804 published applications in this corpus.
Search patents in C01B- Granted patents
- 47,053
- Published applications
- 49,804
- Assignees
- 13,338
- Inventors
- 90,829
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 681 | 0 |
| 1977 | 631 | 0 |
| 1978 | 582 | 0 |
| 1979 | 445 | 0 |
| 1980 | 491 | 0 |
| 1981 | 532 | 0 |
| 1982 | 483 | 0 |
| 1983 | 531 | 0 |
| 1984 | 482 | 0 |
| 1985 | 508 | 0 |
| 1986 | 417 | 0 |
| 1987 | 516 | 0 |
| 1988 | 440 | 0 |
| 1989 | 586 | 0 |
| 1990 | 510 | 0 |
| 1991 | 538 | 0 |
| 1992 | 614 | 0 |
| 1993 | 592 | 0 |
| 1994 | 557 | 0 |
| 1995 | 510 | 0 |
| 1996 | 500 | 0 |
| 1997 | 528 | 0 |
| 1998 | 575 | 0 |
| 1999 | 650 | 0 |
| 2000 | 636 | 0 |
| 2001 | 712 | 264 |
| 2002 | 644 | 944 |
| 2003 | 737 | 1113 |
| 2004 | 756 | 1344 |
| 2005 | 600 | 1311 |
| 2006 | 766 | 1378 |
| 2007 | 662 | 1401 |
| 2008 | 667 | 1463 |
| 2009 | 813 | 1710 |
| 2010 | 1148 | 2195 |
| 2011 | 1142 | 2023 |
| 2012 | 1213 | 2048 |
| 2013 | 1483 | 2021 |
| 2014 | 1568 | 2109 |
| 2015 | 1712 | 2335 |
| 2016 | 1688 | 2115 |
| 2017 | 1850 | 2277 |
| 2018 | 1727 | 2341 |
| 2019 | 1970 | 2305 |
| 2020 | 1884 | 2363 |
| 2021 | 1657 | 2377 |
| 2022 | 1632 | 2511 |
| 2023 | 1696 | 2564 |
| 2024 | 1797 | 2846 |
| 2025 | 1816 | 2634 |
| 2026 | 1178 | 1812 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- C01B 32/00Carbon11,661
- C01B 3/00Hydrogen11,129
- C01B 2203/00Integrated processes for the production of hydrogen or synthesis gasIndexing code7,321
- C01B 33/00Silicon6,282
- C01B 13/00Oxygen3,859
- C01B 21/00Nitrogen3,438
- C01B 17/00Sulfur3,251
- C01B 25/00Phosphorus3,088
All 24 main groupsShow fewer
- C01B 39/00Compounds having molecular sieve and base-exchange properties2,819
- C01B 2202/00Structure or properties of carbon nanotubesIndexing code1,642
- C01B 7/00Halogens1,339
- C01B 37/00Compounds having molecular sieve properties but not having base-exchange properties1,090
- C01B 2210/00Purification or separation of specific gasesIndexing code1,028
- C01B 15/00Peroxides990
- C01B 19/00Selenium958
- C01B 35/00Boron900
- C01B 11/00Oxides or oxyacids of halogens887
- C01B 2204/00Structure or properties of grapheneIndexing code802
- C01B 2201/00Preparation of ozone by electrical dischargeIndexing code609
- C01B 6/00Hydrides of metals including fully or partially hydrided metals, alloys or intermetallic478
- C01B 23/00Noble gases345
- C01B 5/00Water284
- C01B 9/00General methods of preparing halides195
- C01B 4/00Hydrogen isotopes155
Recent patents
- Containerized processing of activated aluminum6 Oct 2026US 12,752,248 B1Ltag Systems LLC
- Catalysts for cargen, methods of preparing, and uses of same6 Oct 2026US 12,752,259 B2Qatar Foundation for Education, Science and Community Development
- Complex oxides for reactive oxygen separation and related applications6 Oct 2026US 12,752,260 B2North Carolina State University
- Immobolized organometallic catalyst and application of same6 Oct 2026US 12,752,265 B2Saudi Arabian Oil Company
- Method for synthesising a liquid organic hydrogen carrier (LOHC) loaded with hydrogen using hydrogen produced from a methanisation digestate6 Oct 2026US 12,753,071 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Method for synthesizing zeolite nanoparticles in a saline phosphate buffer and associated nanoparticles, suspensions, pharmaceutical composition and uses8 Oct 2026US 2026/0306532 A1Centre National De La Recherche Scientifique
- Carbon dioxide adsorption battery, charge/discharge device, and carbon dioxide concentration device8 Oct 2026US 2026/0307004 A1Kuraray Co., Ltd.
- Hydrogen generation device8 Oct 2026US 2026/0307031 A1
- Electric radiant heating for direct conversion syngas reactor8 Oct 2026US 2026/0307033 A1Aether Fuels Pte. Ltd.
- Hydrogen production device8 Oct 2026US 2026/0307034 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Fluorescent silica-based nanoparticles1,448US 8,298,677 B2Cornell Research Foundation, Inc. · 2012
- Crystalline silicoaluminophosphates925US 4,440,871 AUnion Carbide Corporation · 1984
- Highly luminescent color-selective nano-crystalline materials747US 6,322,901 B1Massachusetts Institute of Technology · 2001
- Carbide nanomaterials684US 6,190,634 B1President and Fellows of Harvard College · 2001
- High modulus, low dielectric constant coatings575US 6,576,300 B1Axcelis Technologies, Inc. · 2003