B22F 2302/40
Carbon, graphite
B22F2302/40 (Carbon, graphite) appears on 152 US grants and 248 published applications in this corpus.
Search patents in B22F- Granted patents
- 152
- Published applications
- 248
- Assignees
- 151
- Inventors
- 564
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 0 | 1 |
| 2014 | 3 | 5 |
| 2015 | 0 | 5 |
| 2016 | 2 | 13 |
| 2017 | 7 | 28 |
| 2018 | 6 | 22 |
| 2019 | 11 | 25 |
| 2020 | 16 | 31 |
| 2021 | 17 | 28 |
| 2022 | 12 | 19 |
| 2023 | 25 | 22 |
| 2024 | 24 | 24 |
| 2025 | 17 | 12 |
| 2026 | 10 | 10 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Composite powder with iron based particles coated with graphene material6 Oct 2026US 12,752,342 B2GraphMaTech AB
- Composite material for electrical contacts and method of producing same22 Sep 2026US 12,744,166 B2Applied Carbon Nano Technology Co., Ltd
- Graphene material-metal nanocomposites and processes of making and using same7 Jul 2026US 12,674,225 B2The Research Foundation for The State University of New York
- Producing polycrystalline diamond compact (PDC) drill bits with catalyst-free and substrate-free PDC cutters2 Jun 2026US 12,643,146 B2Chengdu Dongwei Technology Co., LTD
- Method for manufacturing heterogeneous composite material thin plate through sequential plastic working processes, and heterogeneous composite material thin plate manufactured thereby19 May 2026US 12,629,751 B2Pukyong National University Industry-University Cooperation Foundation
- Fe-based alloy powder and mixed powder8 Oct 2026US 2026/0308734 A1Daido Steel Co., Ltd.
- Method of producing a brush1 Oct 2026US 2026/0302708 A1
- Method for manufacturing strain wave gear10 Sep 2026US 2026/0264145 A1Iljin Global Holdings Co., Ltd.
- Composite Thread Having Integrated Semiconductor And Carbon Nanoparticles10 Sep 2026US 2026/0265962 A1Incrediwear Holdings, Inc.
- Producing hydro-efflux hammer using catalyst-free pdc cutters20 Aug 2026US 2026/0241447 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Polycrystalline diamond compacts, methods of fabricating same, and applications using same82US 7,845,438 B1US Synthetic Corporation · 2010
- Alloy steel powder for powder metallurgy, and sintered body8US 10,207,328 B2Jfe Steel Corporation · 2019
- Thick sintered polycrystalline diamond and sintered jewelry7US 8,663,359 B2Dimicron, Inc. · 2014
- Mixed powder for powder metallurgy, sintered body, and method of manufacturing sintered body4US 10,710,155 B2Jfe Steel Corporation · 2020
- Cutting elements including internal fluid flow pathways, and related earth-boring tools3US 10,577,869 B2Baker Hughes, A Ge Company, LLC · 2020