B43L 13/002
Angle intersecting devices
Official title: {Angle intersecting devices}
B43L13/002 (Angle intersecting devices) appears on 43 US grants and 38 published applications in this corpus.
Search patents in B43L- Granted patents
- 43
- Published applications
- 38
- Assignees
- 5
- Inventors
- 58
- Latest grant
- 4 May 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 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 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 3 | 3 |
| 2005 | 3 | 4 |
| 2006 | 7 | 5 |
| 2007 | 7 | 4 |
| 2008 | 4 | 4 |
| 2009 | 2 | 1 |
| 2010 | 1 | 3 |
| 2011 | 1 | 1 |
| 2012 | 3 | 5 |
| 2013 | 3 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 3 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Angle trisector, as validated to perform accurately over a wide range of device settings by a novel geometric forming process; also capable of portraying finite lengths that only could be approximated by means of otherwise applying a compass and straightedge to a given length of unity; that furthermore functions as a level whose inherent geometry could be adapted for many other uses such as being incorporated into the design of a hydraulic car lift4 May 2021US 10,994,569 B2
- Educational ruler20 Feb 2018US 9,897,427 B2
- Multi-purpose mathematical drawing templates system30 Jun 2015US 9,067,459 B2
- Multi-positional combination instrument9 Sep 2014US 8,826,556 B2
- Razor blade tape measure multi-tool26 Nov 2013US 8,590,170 B2
- Dividing a straight or curved line into "n" number of equal subparts29 May 2025US 2025/0170850 A9
- Dividing a straight or curved line into "n" number of equal subparts22 Aug 2024US 2024/0278594 A1
- Device for dividing an angle into a plurality of smaller equal angles7 Oct 2021US 2021/0309043 A1Lewis Dynamic Geometry Pty Ltd
- Angle trisector, as validated to perform accurately over a wide range of device settings by a novel geometric forming process; also capable of portraying finite lengths that only could be approximated by means of otherwise applying a compass and straightedge to a given length of unity; that furthermore functions as a level whose inherent geometry could be adapted for many other uses such as being incorporated into the design of a hydraulic car lift.17 Jun 2021US 2021/0178804 A1
- Dividing the arc of an angle into "n" number of equal parts.25 Mar 2021US 2021/0086549 A1
Most cited
By later US patents