B22F 2003/244
Leaching
Official title: {Leaching}
B22F2003/244 (Leaching) appears on 97 US grants and 131 published applications in this corpus.
Search patents in B22F- Granted patents
- 97
- Published applications
- 131
- Assignees
- 70
- Inventors
- 218
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 3 | 4 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 4 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 2 | 3 |
| 2010 | 6 | 7 |
| 2011 | 3 | 0 |
| 2012 | 5 | 5 |
| 2013 | 4 | 6 |
| 2014 | 4 | 7 |
| 2015 | 2 | 7 |
| 2016 | 5 | 7 |
| 2017 | 3 | 7 |
| 2018 | 10 | 15 |
| 2019 | 7 | 11 |
| 2020 | 4 | 10 |
| 2021 | 6 | 3 |
| 2022 | 9 | 13 |
| 2023 | 6 | 5 |
| 2024 | 8 | 7 |
| 2025 | 5 | 3 |
| 2026 | 3 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Post-processing of an object obtained by direct metal laser sintering28 Apr 2026US 12,611,715 B2Koninklijke Philips N. V.
- Metal bodies and method for production thereof10 Feb 2026US 12,544,748 B2Alantum Europe GmbH
- Leached superabrasive elements, subterranian tools with leached superabrasive elements, and related systems and methods10 Feb 2026US 12,544,878 B2US Synthetic Corporation
- Metal foam supported catalyst and method for the production thereof30 Sep 2025US 12,427,508 B2Alantum Europe GmbH
- Superhard constructions and methods of making same16 Sep 2025US 12,415,761 B2Element Six (UK) Limited
- Leached superabrasive elements, subterranean tools with leached superabrasive elements, and related systems and methods18 Jun 2026US 2026/0166678 A1US Synthetic Corporation
- Sealed cobalt removal device, method, assembly equipment, and polycrystalline diamond compact28 May 2026US 2026/0145301 A1Sichuan Jiarui Technology Co., Ltd.
- Sealed cobalt leaching device, reagent,use of method for cobalt leaching and polycrystalline diamond composite sheet13 Nov 2025US 2025/0347176 A1Sichuan Jiarui Technology Co., Ltd.
- Processing of pcd elements4 Sep 2025US 2025/0276366 A1Schlumberger Technology Corporation
- Surface Structuring of Additively Manufactured Articles22 May 2025US 2025/0162861 A1Nanyang Technological University
Most cited
By later US patents
- Polycrystalline diamond cutters with working surfaces having varied wear resistance while maintaining impact strength334US 6,601,662 B2Grant Prideco, L.P. · 2003
- Rotary drill bit design method149US 6,435,058 B1Camco International (UK) Limited · 2002
- Thermally stable diamond polycrystalline diamond constructions145US 7,517,589 B2Smith International, Inc. · 2009
- Method of machining of polycrystalline diamond134US 6,410,085 B1Camco International (UK) Limited · 2002
- Rotary drill bit122US 6,481,511 B2Camco International (UK) Limited · 2002