B24B 15/00
Machines or devices designed for grinding seat surfaces
Official title: Machines or devices designed for grinding seat surfaces; Accessories therefor (for spherical surfaces in general B24B11/00)
B24B15/00 (Machines or devices designed for grinding seat surfaces) appears on 134 US grants and 60 published applications in this corpus.
Search patents in B24B- Granted patents
- 134
- Published applications
- 60
- Assignees
- 88
- Inventors
- 268
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 9 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 1 |
| 2002 | 4 | 2 |
| 2003 | 2 | 2 |
| 2004 | 0 | 3 |
| 2005 | 2 | 1 |
| 2006 | 3 | 2 |
| 2007 | 0 | 3 |
| 2008 | 1 | 1 |
| 2009 | 2 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 3 |
| 2012 | 1 | 5 |
| 2013 | 3 | 3 |
| 2014 | 1 | 4 |
| 2015 | 4 | 3 |
| 2016 | 2 | 2 |
| 2017 | 0 | 3 |
| 2018 | 3 | 4 |
| 2019 | 4 | 3 |
| 2020 | 1 | 0 |
| 2021 | 0 | 2 |
| 2022 | 0 | 2 |
| 2023 | 2 | 1 |
| 2024 | 0 | 2 |
| 2025 | 3 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Carbide seat remanufacturing19 May 2026US 12,629,785 B2Caterpillar Inc.
- Maintaining valve components3 Feb 2026US 12,539,576 B2Saudi Arabian Oil Company
- Opening/closing chuck and method of manufacturing fingers23 Dec 2025US 12,502,718 B2SMC Corporation
- Rotary slide valve for regulating a flow of fluid, and method for producing a rotary slide valve24 Jun 2025US 12,338,914 B2ETO Magnetic GmbH
- Carbide seat remanufacturing1 Apr 2025US 12,263,549 B2Caterpillar Inc.
- Precision sharpening and lapping system for valve seat inserts23 Apr 2026US 2026/0109000 A1Van Norman Machine India PVT LTD
- Steam turbine seal ring finishing apparatus and method of use1 Jan 2026US 2026/0001146 A1GE Infrastructure Technology LLC
- Carbide seat remanufacturing12 Jun 2025US 2025/0187123 A1Caterpillar Inc.
- Carbide seat remanufacturing27 Feb 2025US 2025/0065452 A1Caterpillar Inc.
- Maintaining valve components5 Dec 2024US 2024/0399528 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Remote repair appliance55US 5,697,834 AThe United States of America as represented by the United States Department of Energy · 1997
- Apparatus and method for sharpening a cutting tool34US 5,582,542 A1996
- Portable field machine for cutting, grinding and lapping valve seats28US 4,050,836 ARockwell International Corporation · 1977
- Valve for handling hot caustic alumina solution with provision for grinding26US 4,338,961 AAnchor/Darling Valve Company · 1982
- Method and machine for machining the surface of a valve seat24US 4,545,706 AHonda Giken Kogyo Kabushiki Kaisha · 1985