E04G 21/1833
Line-holders for setting-out builders' work
Official title: {Line-holders for setting-out builders' work, e.g. foundations}
E04G21/1833 (Line-holders for setting-out builders' work) appears on 26 US grants and 23 published applications in this corpus.
Search patents in E04G- Granted patents
- 26
- Published applications
- 23
- Assignees
- 5
- Inventors
- 48
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 3 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 6 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for building layout18 Aug 2026US 12,709,906 B2UpRight, Inc.
- Adjustable batter board16 Jan 2024US 11,873,653 B1
- Masonry corner jig30 Jul 2019US 10,364,581 B2
- Building profile21 Aug 2018US 10,054,440 B2Ezyprofile Systems Pty Ltd
- String holder for use with concrete forming products7 Nov 2017US 9,809,986 B2Titcomb Brothers Manufacturing, Inc.
- Systems and methods for staking a corner for construction5 Feb 2026US 2026/0035939 A1
- Indicia-coded spacing guide line and corresponding method16 Jan 2025US 2025/0019987 A1
- Builders profiling tool15 Feb 2024US 2024/0052654 A1
- Brick line clamp2 Nov 2023US 2023/0349178 A1Brickwork Tools Limited
- Batter board placement method, batter board placement program, and survey system31 Aug 2023US 2023/0272631 A1Topcon Corporation
Most cited
By later US patents
- Accu-square marking system24US 5,107,595 A1992
- Construction apparatus23US 5,419,055 A1995
- Building layout templates16US 4,095,343 A1978
- Frame for setting up the lines preparatory to erection of buildings or the like15US 4,429,849 A1984
- Layout system for construction foundation placement15US 4,924,579 A1990