B43L 9/16
Features common to compasses, dividers, and callipers
B43L9/16 (Features common to compasses, dividers, and callipers) appears on 41 US grants and 21 published applications in this corpus.
Search patents in B43L- Granted patents
- 41
- Published applications
- 21
- Assignees
- 24
- Inventors
- 50
- Latest grant
- 30 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 5 | 3 |
| 2006 | 2 | 3 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 3 | 5 |
| 2011 | 3 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Carpenter pencil caliper30 May 2023US 11,660,906 B2
- Circle marking device19 Aug 2014US 8,806,766 B1
- Pair of compasses13 Mar 2012US 8,132,333 B2Draw.Tec GmbH & Co. KG
- Compasses writing implement25 Oct 2011US 8,042,278 B2
- Compass having a leg joint and information bearing surfaces10 May 2011US 7,937,843 B2Intertech Zeichengeraete GmbH
- Multifunctional geometry tool23 Oct 2025US 2025/0326246 A1
- Push-action compass7 Aug 2025US 2025/0249701 A1Guangzhou Wusheng Stationery Co.,Ltd
- Carpenter pencil caliper23 Mar 2023US 2023/0091014 A1
- Compass having a leg joint and information bearing surfaces6 Jan 2011US 2011/0000094 A1Intertech Zeichengerate GmbH
- Pair of compasses9 Dec 2010US 2010/0307014 A1Draw.Tec GmbH & Co. KG
Most cited
By later US patents
- Safety compass15US 5,090,127 ACreative Works, Inc. · 1992
- Instrument and case12US 4,912,855 A1990
- Device for cutting circles10US 3,934,343 ALawrence Peska Associates, Inc. · 1976
- Geometric instrument and method of making same10US 4,858,326 AHelix Group PLC · 1989
- Retractable safety mechanism and compass and method of using the same10US 6,311,404 B12001