F17C 2205/0379
Manholes or access openings for human beings
F17C2205/0379 (Manholes or access openings for human beings) appears on 47 US grants and 53 published applications in this corpus.
Search patents in F17C- Granted patents
- 47
- Published applications
- 53
- Assignees
- 42
- Inventors
- 120
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 3 | 3 |
| 2004 | 0 | 4 |
| 2005 | 1 | 1 |
| 2006 | 3 | 2 |
| 2007 | 0 | 4 |
| 2008 | 2 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 0 |
| 2014 | 0 | 3 |
| 2015 | 3 | 12 |
| 2016 | 1 | 5 |
| 2017 | 5 | 2 |
| 2018 | 5 | 1 |
| 2019 | 5 | 3 |
| 2020 | 1 | 0 |
| 2021 | 0 | 2 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sealed and thermally insulating tank17 Mar 2026US 12,578,061 B2Gaztransport Et Technigaz
- Pressurized closure assembly28 Jan 2020US 10,543,966 B2Sypris Technologies, Inc.
- Tank system26 Nov 2019US 10,487,985 B2Z Holding AS
- Pump tower of liquefied gas storage tank3 Sep 2019US 10,400,953 B2KC LNG Tech Co., Ltd.
- Liquefied gas storage tank and liquefied gas carrier ship11 Jun 2019US 10,317,010 B2Kawasaki Jukogyo Kabushiki Kaisha
- A hollow roto-moulded article12 Feb 2026US 2026/0042597 A1Omni Composite Tank Limited
- Swinging tool holder3 Apr 2025US 2025/0109828 A1Saudi Arabian Oil Company
- Sealed and thermally insulating tank19 Dec 2024US 2024/0418326 A1Gaztransport Et Technigaz
- Cryogenic tank with access opening, and aircraft equipped therewith5 Dec 2024US 2024/0401749 A1
- Self-bracing watertight tank wall30 Sep 2021US 2021/0301978 A1Gaztransport Et Technigaz
Most cited
By later US patents
- Clathrate hydrate modular storage, applications and utilization processes85US 7,914,749 B2Solid Gas Technologies · 2011
- Monitoring of ultra-high purity product storage tanks during transportation44US 6,938,654 B2Air Products and Chemicals, Inc. · 2005
- Method and storage tank system for aboveground storage of flammable liquids31US 5,251,473 AAce Tank & Equipment Company · 1993
- System for vehicular, land-based distribution of liquefied natural gas29US 6,047,747 AExxonMobil Upstream Research Company · 2000
- Tanks for the storage and transport of fluid media under pressure28US 4,459,929 AOcean Phoenix Holdings NV · 1984