E04H 3/123
Telescopic grandstands
Official title: {Telescopic grandstands}
E04H3/123 (Telescopic grandstands) appears on 105 US grants and 45 published applications in this corpus.
Search patents in E04H- Granted patents
- 105
- Published applications
- 45
- Assignees
- 27
- Inventors
- 114
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 7 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 8 | 0 |
| 2002 | 2 | 0 |
| 2003 | 3 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 3 |
| 2009 | 1 | 3 |
| 2010 | 0 | 2 |
| 2011 | 3 | 4 |
| 2012 | 0 | 5 |
| 2013 | 5 | 3 |
| 2014 | 5 | 3 |
| 2015 | 3 | 5 |
| 2016 | 4 | 4 |
| 2017 | 6 | 2 |
| 2018 | 2 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 2 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for preventing access to steps in retracted bleachers27 May 2025US 12,312,829 B2Koala Wall, LLC
- Lift30 Jul 2024US 12,049,395 B2Brilliant Stages Limited
- System and method for preventing access to steps in retracted bleachers19 Sep 2023US 11,761,222 B2Koala Wall, LLC
- Double action nose mount quattro stanchion30 May 2023US 11,659,929 B2Hussey Seating Company
- Collapsible mobile stage system8 Feb 2022US 11,242,691 B2
- Telescopic seating system with reconfigurable seats and benches26 Mar 2026US 2026/0085531 A1Blue Cube (Gb) Ltd.
- Telescopic seating guardrail storage system and method20 Mar 2025US 2025/0092699 A1Hussey Seating Company
- System and method for preventing access to steps in retracted bleachers30 Nov 2023US 2023/0383561 A1Koala Wall, LLC
- System and method for preventing access to steps in retracted bleachers26 Jan 2023US 2023/0021693 A1Koala Wall, LLC
- Double action nose mount quattro stanchion11 Mar 2021US 2021/0068546 A1Hussey Seating Company
Most cited
By later US patents
- Retractable stairs-like stand81US 6,055,780 AKotobuki & Co., Ltd. · 2000
- Staging structure44US 4,638,604 AStage Rite Corporation · 1987
- Telescoping seating system with automatically folding chairs39US 4,155,202 AAmerican Seating Company · 1979
- Collapsible seating system with automatically folding seats39US 4,850,159 AIrwin Seating Company · 1989
- Retractable stairs-like stand36US 6,000,174 AKotobuki & Co., Ltd. · 1999