E06C
Ladders
Official title: LADDERS (E04F11/00 takes precedence; step-stools A47C12/00; adaptation of ladders to use on ships B63B, to use on aircraft B64; scaffolding E04G)
E06C (Ladders) appears on 3,631 US grants and 2,978 published applications in this corpus.
Search patents in E06C- Granted patents
- 3,631
- Published applications
- 2,978
- Assignees
- 986
- Inventors
- 5,194
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 58 | 0 |
| 1977 | 43 | 0 |
| 1978 | 51 | 0 |
| 1979 | 38 | 0 |
| 1980 | 57 | 0 |
| 1981 | 50 | 0 |
| 1982 | 27 | 0 |
| 1983 | 42 | 0 |
| 1984 | 56 | 0 |
| 1985 | 62 | 0 |
| 1986 | 57 | 0 |
| 1987 | 66 | 0 |
| 1988 | 53 | 0 |
| 1989 | 61 | 0 |
| 1990 | 64 | 0 |
| 1991 | 75 | 0 |
| 1992 | 72 | 0 |
| 1993 | 40 | 0 |
| 1994 | 66 | 0 |
| 1995 | 42 | 0 |
| 1996 | 54 | 0 |
| 1997 | 63 | 0 |
| 1998 | 91 | 0 |
| 1999 | 93 | 0 |
| 2000 | 86 | 0 |
| 2001 | 72 | 16 |
| 2002 | 98 | 75 |
| 2003 | 80 | 94 |
| 2004 | 72 | 92 |
| 2005 | 75 | 128 |
| 2006 | 80 | 108 |
| 2007 | 50 | 121 |
| 2008 | 30 | 108 |
| 2009 | 31 | 95 |
| 2010 | 47 | 95 |
| 2011 | 62 | 103 |
| 2012 | 66 | 105 |
| 2013 | 89 | 96 |
| 2014 | 94 | 125 |
| 2015 | 85 | 151 |
| 2016 | 94 | 147 |
| 2017 | 109 | 132 |
| 2018 | 114 | 146 |
| 2019 | 117 | 158 |
| 2020 | 125 | 154 |
| 2021 | 99 | 129 |
| 2022 | 92 | 135 |
| 2023 | 82 | 116 |
| 2024 | 77 | 135 |
| 2025 | 120 | 112 |
| 2026 | 104 | 102 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
Recent patents
- Conveniently storable children height-increasing stool6 Oct 2026US 12,751,554 B2
- Folding ladder6 Oct 2026US 12,753,655 B2Jiaxing Jackson Travel Products Co., Ltd.
- Detachable ladder and wall mount29 Sep 2026US 12,747,633 B2Lippert Components, Inc.
- Ladder step extension platform15 Sep 2026US 12,735,943 B2
- Ladder multi-surface stabilizer system and method15 Sep 2026US 12,735,944 B2
- Safety ATV Ladder8 Oct 2026US 2026/0308979 A1
- Platform lifting and moving mechanism and combined platform1 Oct 2026US 2026/0296514 A1Suzhou Zhongchuang Aluminum Co., Ltd.
- Kitchen helper folding step stool with spring loaded crossbar retainer1 Oct 2026US 2026/0298025 A1
- Ladder mountable paint can holder1 Oct 2026US 2026/0298026 A1
- Auxiliary Step Apparatus1 Oct 2026US 2026/0298027 A1
Most cited
By later US patents
- Pedestal and torque box assembly for a fire apparatus165US 9,492,695 B2Oshkosh Corporation · 2016
- Step stool assembly121US 5,722,507 ACosco, Inc. · 1998
- Turntable assembly for a fire apparatus118US 9,302,129 B1Oshkosh Corporation · 2016
- Tailgate step for pick-up truck bed access116US 6,422,342 B1Decoma Exterior Trim Inc. · 2002
- Retractable stairway for entering and exiting a vehicle114US 6,179,312 B2Freightliner Corporation · 2001