B22F 2302/406
Diamond
B22F2302/406 (Diamond) appears on 52 US grants and 80 published applications in this corpus.
Search patents in B22F- Granted patents
- 52
- Published applications
- 80
- Assignees
- 42
- Inventors
- 166
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 3 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 7 |
| 2018 | 2 | 10 |
| 2019 | 4 | 9 |
| 2020 | 7 | 9 |
| 2021 | 9 | 10 |
| 2022 | 1 | 4 |
| 2023 | 4 | 8 |
| 2024 | 8 | 9 |
| 2025 | 6 | 4 |
| 2026 | 4 | 3 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- 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
- Producing hydro-efflux hammer using catalyst-free PDC cutters5 May 2026US 12,617,015 B2Saudi Arabian Oil Company
- Copper-diamond composite, heat dissipation member, and electronic device28 Apr 2026US 12,612,682 B2Denka Company Limited
- Drill bit compact and method including graphene24 Mar 2026US 12,584,199 B2National Oilwell Varco, L. P.
- Polycrystalline diamond composite sheet having continuous gradient transition layer and preparation method thereof30 Dec 2025US 12,508,650 B2Central South University
- Producing hydro-efflux hammer using catalyst-free pdc cutters20 Aug 2026US 2026/0241447 A1Saudi Arabian Oil Company
- Drill bit compact and method including graphene9 Jul 2026US 2026/0193746 A1National Oilwell Varco, L. P.
- Methods of forming and using three-dimensional structures with open pore networks to form sintered polycrystalline compacts, and compacts formed by such methods26 Feb 2026US 2026/0054313 A1Baker Hughes Oilfield Operations LLC
- Segment for diamond tool and method of manufacturing the same25 Dec 2025US 2025/0387832 A1Shinhan Diamond Industrial Co., Ltd.
- Polycrystalline diamond composite sheet having continuous gradient transition layer and preparation method thereof27 Mar 2025US 2025/0100049 A1Central South University
Most cited
By later US patents
- Polycrystalline diamond compacts, methods of fabricating same, and applications using same82US 7,845,438 B1US Synthetic Corporation · 2010
- Thick sintered polycrystalline diamond and sintered jewelry7US 8,663,359 B2Dimicron, Inc. · 2014
- Cutting elements including internal fluid flow pathways, and related earth-boring tools3US 10,577,869 B2Baker Hughes, A Ge Company, LLC · 2020
- Polycrystalline diamond compacts and drill bits using same3US 8,230,953 B1US Synthetic Corporation · 2012
- Methods of forming polycrystalline compacts3US 8,771,391 B2Baker Hughes Incorporated · 2014