B22F 3/26
Impregnating
Official title: Impregnating {(making ferrous alloys by impregnation C22C33/0242)}
B22F3/26 (Impregnating) appears on 342 US grants and 329 published applications in this corpus.
Search patents in B22F- Granted patents
- 342
- Published applications
- 329
- Assignees
- 254
- Inventors
- 930
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 9 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 2 |
| 2002 | 5 | 3 |
| 2003 | 7 | 8 |
| 2004 | 3 | 16 |
| 2005 | 4 | 4 |
| 2006 | 6 | 1 |
| 2007 | 3 | 3 |
| 2008 | 4 | 10 |
| 2009 | 0 | 5 |
| 2010 | 2 | 8 |
| 2011 | 4 | 8 |
| 2012 | 4 | 16 |
| 2013 | 3 | 18 |
| 2014 | 5 | 9 |
| 2015 | 9 | 17 |
| 2016 | 13 | 25 |
| 2017 | 12 | 25 |
| 2018 | 14 | 22 |
| 2019 | 14 | 19 |
| 2020 | 19 | 19 |
| 2021 | 17 | 23 |
| 2022 | 7 | 19 |
| 2023 | 19 | 15 |
| 2024 | 15 | 12 |
| 2025 | 16 | 11 |
| 2026 | 5 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Manufacture method of bushing, bushing and excavator12 May 2026US 12,623,284 B2Jiangsu Xcmg Construction Machinery Research Institute Ltd.
- Sliding member and bearing28 Apr 2026US 12,612,944 B2Senju Metal Industry Co., Ltd.
- Porous metal coupon with low porosity region for repairing component, component with same and related method21 Apr 2026US 12,605,768 B2GE Infrastructure Technology LLC
- System and method for manufacturing a part14 Apr 2026US 12,601,034 B2Grid Logic Incorporated
- Aqueous polymer dispersion and use thereof20 Jan 2026US 12,528,963 B2Henkel AG & Co. KGaA
- High-strength metal-matrix composite and method for producing high-strength metal-matrix composite24 Sep 2026US 2026/0286474 A1Advanced Composite Corporation
- Sliding member20 Aug 2026US 2026/0243298 A1Daido Metal Company Ltd.
- Method for producing r-t-q system sintered magnet13 Aug 2026US 2026/0237544 A1Proterial, Ltd.
- Sliding member and method for producing sliding member30 Jul 2026US 2026/0218749 A1Senju Metal Industry Co., Ltd.
- System and method for manufacturing a part16 Jul 2026US 2026/0201504 A1Grid Logic Incorporated
Most cited
By later US patents
- Fabrication method for rotary bits and bit components and bits and components produced thereby173US 5,433,280 ABaker Hughes Incorporated · 1995
- Method of manufacturing bits, bit components and other articles of manufacture165US 6,209,420 B1Baker Hughes Incorporated · 2001
- Silicon carbide and silicon bonded polycrystalline diamond body and method of making it157US 4,151,686 AGeneral Electric Company · 1979
- Fabrication method for rotary bits and bit components119US 5,544,550 ABaker Hughes Incorporated · 1996
- Fabrication method for rotary bits and bit components118US 5,957,006 ABaker Hughes Incorporated · 1999