B22
Casting
Official title: Casting; powder metallurgy
B22 (Casting) appears on 42,500 US grants and 40,925 published applications in this corpus.
Search patents in B22- Granted patents
- 42,500
- Published applications
- 40,925
- Assignees
- 11,390
- Inventors
- 73,789
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 565 | 0 |
| 1977 | 535 | 0 |
| 1978 | 580 | 0 |
| 1979 | 384 | 0 |
| 1980 | 482 | 0 |
| 1981 | 486 | 0 |
| 1982 | 372 | 0 |
| 1983 | 375 | 0 |
| 1984 | 526 | 0 |
| 1985 | 576 | 0 |
| 1986 | 641 | 0 |
| 1987 | 655 | 0 |
| 1988 | 646 | 0 |
| 1989 | 660 | 0 |
| 1990 | 668 | 0 |
| 1991 | 657 | 0 |
| 1992 | 575 | 0 |
| 1993 | 598 | 0 |
| 1994 | 636 | 0 |
| 1995 | 540 | 0 |
| 1996 | 539 | 0 |
| 1997 | 565 | 0 |
| 1998 | 664 | 0 |
| 1999 | 761 | 0 |
| 2000 | 658 | 0 |
| 2001 | 712 | 221 |
| 2002 | 771 | 759 |
| 2003 | 810 | 830 |
| 2004 | 630 | 1015 |
| 2005 | 530 | 895 |
| 2006 | 554 | 971 |
| 2007 | 526 | 1072 |
| 2008 | 426 | 1079 |
| 2009 | 519 | 1117 |
| 2010 | 686 | 1239 |
| 2011 | 718 | 1236 |
| 2012 | 814 | 1250 |
| 2013 | 768 | 1311 |
| 2014 | 905 | 1379 |
| 2015 | 1000 | 1822 |
| 2016 | 1041 | 2133 |
| 2017 | 1253 | 2263 |
| 2018 | 1415 | 2485 |
| 2019 | 1767 | 2556 |
| 2020 | 1932 | 2566 |
| 2021 | 1967 | 2786 |
| 2022 | 1911 | 2692 |
| 2023 | 1940 | 2255 |
| 2024 | 1986 | 2119 |
| 2025 | 1673 | 1668 |
| 2026 | 902 | 1206 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subclasses
Granted patents
Recent patents
- Casting mold for producing a casting having a front side and a rear from a curable casting compound6 Oct 2026US 12,752,337 B2Schock & Co. GmbH
- Formation of metal articles using localized sonication6 Oct 2026US 12,752,338 B2Battelle Memorial Institute
- Method for producing Na containing oxide, and Na containing oxide6 Oct 2026US 12,752,339 B2Toyota Jidosha Kabushiki Kaisha
- Reactive metal powders in-flight heat treatment processes6 Oct 2026US 12,752,340 B2AP&C Advanced Powders & Coatings, Inc.
- Three-dimensional printing with polyolefin and metal or metal oxide build materials6 Oct 2026US 12,752,341 B2Peridot Print LLC
- Systems and methods for orthodontic bracket design8 Oct 2026US 2026/0306219 A1LightForce Orthodontics, Inc.
- Feeder system8 Oct 2026US 2026/0307137 A1
- Mold8 Oct 2026US 2026/0307138 A1Cunova GmbH
- Continuous casting plant for a metal product and related process8 Oct 2026US 2026/0307139 A1Danieli & C. Officine Meccaniche SpA
- Induction casting machine for non-ferrous metals with the ability of casting several different molds continually using a mold filling sensor8 Oct 2026US 2026/0307140 A1Maxtech Induction Ltd.
Most cited
By later US patents
- Injection molded anvils1,507US 5,308,576 AUnited States Surgical Corporation · 1994
- Three-dimensional printing techniques1,084US 5,204,055 AMassachusetts Institute of Technology · 1993
- Multiple electrode ablation apparatus1,035US 5,536,267 AZoMed International · 1996
- Method and apparatus for producing parts by selective sintering887US 4,863,538 ABoard of Regents, The University of Texas System · 1989
- Apparatus and method for creating three-dimensional objects880US 5,121,329 AStratasys, Inc. · 1992