Y10T 408/905
Having stepped cutting edges
Y10T408/905 (Having stepped cutting edges) appears on 593 US grants and 298 published applications in this corpus.
Search patents in Y10T- Granted patents
- 593
- Published applications
- 298
- Assignees
- 271
- Inventors
- 812
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 9 | 0 |
| 1979 | 3 | 0 |
| 1980 | 9 | 0 |
| 1981 | 11 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 5 | 0 |
| 1985 | 11 | 0 |
| 1986 | 20 | 0 |
| 1987 | 14 | 0 |
| 1988 | 8 | 0 |
| 1989 | 18 | 0 |
| 1990 | 14 | 0 |
| 1991 | 16 | 0 |
| 1992 | 7 | 0 |
| 1993 | 9 | 0 |
| 1994 | 15 | 0 |
| 1995 | 15 | 0 |
| 1996 | 11 | 0 |
| 1997 | 17 | 0 |
| 1998 | 22 | 0 |
| 1999 | 25 | 0 |
| 2000 | 21 | 0 |
| 2001 | 21 | 10 |
| 2002 | 13 | 16 |
| 2003 | 18 | 19 |
| 2004 | 8 | 18 |
| 2005 | 13 | 15 |
| 2006 | 18 | 20 |
| 2007 | 19 | 15 |
| 2008 | 9 | 21 |
| 2009 | 9 | 28 |
| 2010 | 14 | 26 |
| 2011 | 16 | 21 |
| 2012 | 15 | 20 |
| 2013 | 25 | 13 |
| 2014 | 21 | 15 |
| 2015 | 19 | 12 |
| 2016 | 13 | 9 |
| 2017 | 21 | 7 |
| 2018 | 5 | 2 |
| 2019 | 10 | 4 |
| 2020 | 3 | 3 |
| 2021 | 1 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Step drill bit7 Oct 2025US 12,434,308 B2Milwaukee Electric Tool Corporation
- Machining tool7 Nov 2023US 11,806,797 B2Honda Motor Co., Ltd.
- Tools and methods for forming aligned holes from near full-sized holes1 Mar 2022US 11,260,459 B2The Boeing Company
- Step drill25 Jan 2022US 11,229,958 B2Kennametal Inc.
- Step drill and manufacturing method for step drill31 Aug 2021US 11,103,933 B2Osg Corporation
- Step drill bit18 Dec 2025US 2025/0381604 A1Milwaukee Electric Tool Corporation
- Machining tool6 Oct 2022US 2022/0314340 A1Honda Motor Co., Ltd.
- Tools and Methods for Forming Aligned Holes From Near Full-Sized Holes4 Nov 2021US 2021/0339322 A1The Boeing Company
- Step drill and manufacturing method for step drill29 Jul 2021US 2021/0229189 A1Osg Corporation
- Step drill15 Oct 2020US 2020/0324347 A1Kennametal Inc.
Most cited
By later US patents
- Rotary milling cutter118US 4,285,618 A1981
- Composite rotary tool and tool fabrication method116US 6,511,265 B1ATI Properties, Inc. · 2003
- Surgical drill114US 4,830,000 AAspen Laboratories, Inc. · 1989
- High speed drill reamer91US 4,605,347 ALockheed Missiles & Space Company, Inc. · 1986
- Reaming tool and process for its production91US 6,290,438 B1August Beck GmbH & Co. · 2001