B28D 1/228
Hand-held or hand-operated tools
Official title: {Hand-held or hand-operated tools (B28D1/222, B28D1/225 take precedence)}
B28D1/228 (Hand-held or hand-operated tools) appears on 13 US grants and 19 published applications in this corpus.
Search patents in B28D- Granted patents
- 13
- Published applications
- 19
- Assignees
- 11
- Inventors
- 36
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 3 |
| 2014 | 0 | 1 |
| 2015 | 2 | 2 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 4 |
| 2024 | 1 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Working machine25 Nov 2025US 12,479,119 B2Makita Corporation
- Portable cutting machine6 May 2025US 12,290,960 B2Yamabiko Corporation
- Method and apparatus for creating a preferential breakage plane within cured columns9 Jan 2024US 11,865,738 B2Keller North America, Inc.
- Masonry tool28 Dec 2021US 11,207,797 B2
- Cutting system for slabs25 May 2021US 11,014,266 B2Raimondi S.P.A.
- Cutting machine for sintered stones26 Feb 2026US 2026/0054417 A1
- Adjustable tile nipper10 Jul 2025US 2025/0222626 A1Ishii Tools MFG. Co., Ltd.
- Cut-off saw14 Dec 2023US 2023/0398614 A1
- Portable Cutting Machine28 Sep 2023US 2023/0302684 A1Yamabiko Corporation
- Working machine13 Jul 2023US 2023/0219247 A1Makita Corporation
Most cited
By later US patents
- Apparatus for breaking an optical fibre10US 4,168,026 ANorthern Telecom Limited · 1979
- Carriage for cutting a sheet of gypsum board, cutting kit and method for implementing same4US 9,067,339 B22015
- Grout removal and masonry trenching tool2US 9,512,625 B22016
- Cutting system for slabs1US 11,014,266 B2Raimondi S.P.A. · 2021
- Portable cutting machine1US 9,144,923 B2Hitachi Koki Co., Ltd. · 2015