The broken lines in
The broken lines in
Number | Name | Date | Kind |
---|---|---|---|
D223218 | Martens | Mar 1972 | S |
4802872 | Stanton | Feb 1989 | A |
D419669 | Shinshi | Jan 2000 | S |
D432621 | Etschel | Oct 2000 | S |
D539413 | Parker | Mar 2007 | S |
D560154 | Aplin, Jr. | Jan 2008 | S |
D561690 | Schaap | Feb 2008 | S |
D728442 | Hawkins | May 2015 | S |
D745448 | Hawkins | Dec 2015 | S |
D750211 | Arai | Feb 2016 | S |
D903573 | Shima | Dec 2020 | S |
D907083 | Loman | Jan 2021 | S |
20170267323 | Sharrow | Sep 2017 | A1 |
Number | Date | Country |
---|---|---|
D218410-001 | Jan 2022 | WO |
D218411-001 | Jan 2022 | WO |
D218412-001 | Jan 2022 | WO |
Entry |
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Sharrow MX-1: This tipless propeller could be be top of the props, available in MBY.com, announced Year 2020 [online], [site visited Aug. 3, 2022], Internet URL: https://www.mby.com/gear/sharrow-mx-1-tipless-propeller-110120. |
Toroidal propellers: A noise-killing game changer in air and water, available in NewAtlas.com, announced Year 2023 [online], [site visited Jun. 29, 2023], Internet URL: https://newatlas.com/aircraft/toroidal-quiet-propellers/. |
A Breakthrough In Propulsion, available in BoatUS.com, announced Year 2020 [online], [site visited Jun. 29, 2023], Internet URL: https://www.boatus.com/expert-advice/expert-advice-archive/2020/august/a-breakthrough-in-propulsion. |
Number | Date | Country | |
---|---|---|---|
Parent | 29796021 | Jun 2021 | US |
Child | 29861788 | US |