H02N 15/02
Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided
Official title: by Foucault currents
H02N15/02 (Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided) appears on 22 US grants and 18 published applications in this corpus.
Search patents in H02N- Granted patents
- 22
- Published applications
- 18
- Assignees
- 15
- Inventors
- 48
- Latest grant
- 12 Nov 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 3 |
| 2006 | 2 | 3 |
| 2007 | 3 | 1 |
| 2008 | 2 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 4 |
| 2018 | 2 | 1 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method of controlling propulsion and suspension of linear induction motors12 Nov 2019US 10,476,408 B1
- Magnetically lifted vehicles using hover engines8 Jan 2019US 10,173,549 B2Arx Pax Labs, Inc.
- Control of translating hover engines to obtain zero drag22 May 2018US 9,975,448 B2Arx Pax Labs, Inc.
- Magnetically lifted vehicles using hover engines9 Jan 2018US 9,862,288 B2Arx Pax Labs, Inc.
- Magnetically lifted vehicles using hover engines29 Aug 2017US 9,744,878 B2Arx Pax Labs, Inc.
- Novel electromagnetic propulsion and levitation technology22 Jun 2023US 2023/0191916 A1
- Magnetically lifted vehicles using hover engines5 Apr 2018US 2018/0093587 A1Arx Pax Labs, Inc.
- Magnetically lifted vehicles using hover engines23 Nov 2017US 2017/0334311 A1Arx Pax Labs, Inc.
- Control of translating hover engines to obtain zero drag27 Jul 2017US 2017/0210243 A1Arx Pax Labs, Inc.
- Magnetically lifted vehicles using hover engines1 Jun 2017US 2017/0151889 A1Arx Pax Labs, Inc.
Most cited
By later US patents
- Alternating current magnetic levitation transport system87US 5,309,049 AMitsubishi Jukogyo Kabushiki Kaisha · 1994
- Alignment apparatus and exposure apparatus using the same41US 6,987,335 B2Canon Kabushiki Kaisha · 2006
- Passive null flux coil magnetic bearing system for translation or rotation35US 5,481,146 APark Square, Inc. · 1996
- Alignment apparatus and exposure apparatus using the same29US 7,075,198 B2Canon Kabushiki Kaisha · 2006
- Alignment apparatus and exposure apparatus using the same29US 7,227,284 B2Canon Kabushiki Kaisha · 2007