B63H 2001/122
Single or multiple threaded helicoidal screws, or the like, comprising foils extending
Official title: {Single or multiple threaded helicoidal screws, or the like, comprising foils extending over a substantial angle; Archimedean screws}
B63H2001/122 (Single or multiple threaded helicoidal screws, or the like, comprising foils extending) appears on 41 US grants and 45 published applications in this corpus.
Search patents in B63H- Granted patents
- 41
- Published applications
- 45
- Assignees
- 13
- Inventors
- 46
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 3 |
| 2003 | 3 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 3 |
| 2015 | 2 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 6 |
| 2018 | 5 | 3 |
| 2019 | 6 | 0 |
| 2020 | 1 | 4 |
| 2021 | 0 | 1 |
| 2022 | 2 | 5 |
| 2023 | 5 | 3 |
| 2024 | 2 | 2 |
| 2025 | 1 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fluid propulsion system6 Oct 2026US 12,753,694 B23Silk, Inc.
- Autonomous water vehicle for collecting waste and algae from water bodies and method of operation25 Aug 2026US 12,715,789 B2
- Fluid pump with a rotor28 Jan 2025US 12,209,593 B2Ecp Entwicklungsgesellschaft Mbh
- Robot for maneuvering through a viscous mixture17 Dec 2024US 12,168,502 B2Applied Impact Robotics, Inc
- Fluid propulsion system17 Dec 2024US 12,168,937 B23Silk, Inc.
- Autonomous water vehicle for collecting waste and algae from water bodies and method of operation2 Apr 2026US 2026/0091994 A1
- Miniature magnetic robot swimmer geometries26 Mar 2026US 2026/0084793 A1University of Houston System
- Fluid pump with a rotor9 Oct 2025US 2025/0314255 A1Ecp Entwicklungsgesellschaft Mbh
- Fluid propulsion system10 Apr 2025US 2025/0116196 A13Silk, Inc.
- Modified variable helix cylinders and propeller and nozzle using same21 Nov 2024US 2024/0383593 A1
Most cited
By later US patents
- Fluid pump with a rotor123US 8,998,792 B2Ecp Entwicklungsgesellschaft Mbh · 2015
- Fluid pump with a rotor122US 8,721,516 B2Ecp Entwicklungsgesellschaft Mbh · 2014
- Fluid pump with a rotor67US 10,662,967 B2Ecp Entwicklungsgesellschaft Mbh · 2020
- Fluid pump with a rotor55US 9,964,115 B2Ecp Entwicklungsgesellschaft Mbh · 2018
- Fluid pump with a rotor45US 9,404,505 B2Ecp Entwicklungsgesellschaft Mbh · 2016