Y10S 74/09
Perpetual motion gimmicks
Y10S74/09 (Perpetual motion gimmicks) appears on 102 US grants and 221 published applications in this corpus.
Search patents in Y10S- Granted patents
- 102
- Published applications
- 221
- Assignees
- 40
- Inventors
- 244
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 5 |
| 2013 | 0 | 12 |
| 2014 | 6 | 20 |
| 2015 | 13 | 54 |
| 2016 | 13 | 41 |
| 2017 | 20 | 50 |
| 2018 | 20 | 20 |
| 2019 | 12 | 6 |
| 2020 | 6 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and apparatus for generating magnetic fields7 Oct 2025US 12,437,908 B2Paranetics, Inc.
- Electrical generation26 Mar 2024US 11,942,820 B2
- Metallic glow discharge diode and triode devices with large cold cathode as efficient charge generator—a power cell5 Apr 2022US 11,296,620 B2
- Methods and apparatus for generating magnetic fields2 Mar 2021US 10,937,582 B2Paranetics, Inc.
- Gravity energy generator17 Nov 2020US 10,840,794 B2
- Methods and apparatus for generating magnetic fields5 Feb 2026US 2026/0038721 A1Paranetics, Inc.
- System for generating movement of items in a specific pattern18 Apr 2024US 2024/0128893 A1
- Electrical Generation29 Feb 2024US 2024/0072624 A1
- Methods and apparatus for generating magnetic fields24 Jun 2021US 2021/0193357 A1Paranetics, Inc.
- Metallic Glow Discharge Diode and Triode Devices With Large Cold Cathode As Efficient Charge Generator - A Power Cell27 Aug 2020US 2020/0274464 A1
Most cited
By later US patents
- Gravity-actuated fluid displacement power generator44US 3,934,964 A1976
- Energy cell regenerative system for electrically powered aircraft43US 9,643,729 B2ElectronAir LLC · 2017
- Apparatus having a vacuum chamber configured to convert electromagnetic waves to electricity for driving a steam generator system16US 10,184,349 B22019
- Seawater power generation system11US 9,502,720 B2Taiwan Carbon Nanotube Technology Corporation · 2016
- Impulse converter10US 5,335,561 A1994