B28D 1/223
Hand-held or hand-operated tools for shearing or cleaving
Official title: {Hand-held or hand-operated tools for shearing or cleaving}
B28D1/223 (Hand-held or hand-operated tools for shearing or cleaving) appears on 24 US grants and 18 published applications in this corpus.
Search patents in B28D- Granted patents
- 24
- Published applications
- 18
- Assignees
- 13
- Inventors
- 30
- Latest grant
- 19 Oct 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 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 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 2 | 3 |
| 2009 | 2 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 3 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Manual cutting machine19 Oct 2021US 11,148,324 B2Romway(Zj) Machinery Manufacturing Co., Ltd.
- Bolster26 Mar 2019US 10,239,232 B2
- Masonry cutting device8 Apr 2014US 8,689,778 B1Kolmar Investments, LLC.
- Cutting tool28 May 2013US 8,448,553 B2D-Cut Products, Inc.
- Extended life cutting blades for hand-held cutting tools29 Dec 2009US 7,637,016 B2PacTool International Ltd
- Cement siding cutter20 Apr 2023US 2023/0118139 A1D-Cut Products, Inc.
- Manual cutting machine3 Dec 2020US 2020/0376711 A1Romway(Zj) Machinery Manufacturing Co., Ltd.
- Electric water heater21 Mar 2019US 2019/0086118 A1
- Cutting tool2 Nov 2017US 2017/0312930 A1D-Cut Products, Inc.
- Separator Device Applicable to Manual Ceramic Cutters21 Sep 2017US 2017/0266844 A1Germans Boada, S.A.
Most cited
By later US patents
- Method and apparatus for forming ornamental edges on cement siding53US 5,722,386 APacific International Tool & Shear, Ltd. · 1998
- Guillotine cutting apparatus for bricks, building blocks and the like47US 5,662,094 A1997
- Stone splitter32US 5,152,275 AALMI Machinefabriek B.V. · 1992
- Shingle cutter apparatus26US 5,249,495 A1993
- Splitting apparatus23US 5,762,061 A1998