B43L 9/08
Proportional compasses or dividers
B43L9/08 (Proportional compasses or dividers) appears on 9 US grants and 5 published applications in this corpus.
Search patents in B43L- Granted patents
- 9
- Published applications
- 5
- Assignees
- 3
- Inventors
- 10
- Latest grant
- 9 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 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 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Equal divider9 Apr 2024US 11,951,766 B2
- Plotter apparatus and methods for drawing a polygon inscribed within a circle30 Apr 2019US 10,272,716 B2
- Geometric divider19 Mar 2019US 10,232,664 B2
- Measuring and/or plotting and/or sighting instrument2 Feb 2016US 9,250,072 B2
- System and method for creating purportionately accurate figures19 Apr 2011US 7,926,188 B2
- Equal divider14 Mar 2024US 2024/0083193 A1Sentou Industry Co., Ltd.
- Plotter apparatus and methods for drawing a polygon inscribed within a circle11 Oct 2018US 2018/0290484 A1
- Geometric divider16 Aug 2018US 2018/0229542 A1
- Measuring and/or plotting and/or sighting instrument11 Dec 2014US 2014/0360038 A1
- System and method for creating purportionately accurate figures27 Aug 2009US 2009/0211104 A1
Most cited
By later US patents
- System and method for creating purportionately accurate figures8US 7,926,188 B22011
- Dividing rule6US 6,243,963 B1Lee Valey Tools, Ltd. · 2001
- Measuring instrument2US 4,270,273 AA. H. Robins Company, Incorporated · 1981
- Measuring and/or plotting and/or sighting instrument2US 9,250,072 B22016
- Template and method for trisecting an angle1US 6,823,596 B12004