B29L 2031/745
Ladders
Official title: {Ladders}
B29L2031/745 (Ladders) appears on 21 US grants and 22 published applications in this corpus.
Search patents in B29L- Granted patents
- 21
- Published applications
- 22
- Assignees
- 16
- Inventors
- 44
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 3 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ladder foot and ladder therewith19 May 2026US 12,631,068 B2Werner Co.
- Methods of fabricating composite articles30 Sep 2025US 12,428,908 B1Little Giant Ladder Systems, LLC
- Ladder, overmolded foot and method28 Sep 2021US 11,131,142 B2Werner Co.
- Structural member and/or coupling arrangement and/or method for same4 May 2021US 10,995,785 B2Arkal Automotive C.S. Ltd.
- Method and apparatus for matching pool step patterns with liner patterns12 Jan 2021US 10,890,006 B1
- Household article and manufacturing method therefor9 Apr 2026US 2026/0096645 A1New-Tec Integration (Xiamen) Co., Ltd.
- Ladder, overmolded foot and method8 May 2025US 2025/0146361 A1Werner Co.
- Ladder, Overmolded Foot and Method13 Jan 2022US 2022/0010621 A1Werner Co.
- Structural member and/or coupling arrangement and/or method for same7 Jan 2021US 2021/0003157 A1Arkal Automotive C.S. Ltd.
- Co-molded shoe for a ladder rail and method for forming such shoe15 Oct 2020US 2020/0325727 A1Louisville Ladder Inc.
Most cited
By later US patents
- Blow molded articles and method of making26US 6,102,156 AConfer Plastics, Inc. · 2000
- Fiberglass ladder and method of constructing same22US 4,029,172 AComposite Technology, Inc. · 1977
- Modular step system and method for manufacture21US 5,400,556 APacific Industries, Inc. · 1995
- Method of making a composite structure15US 5,258,087 APlascon Technologies (Proprietary) Limited · 1993
- Ladder and method of construction15US 5,427,198 A1995