Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02N - Electric machines not otherwise provided for
More topics under "H02N - Electric machines not otherwise provided for" (38,092)
H02N 1 - Electrostatic generators or motors using a solid moving electrostatic charge carrier (3,310)
H02N 10 - Electric motors using thermal effects (553)
H02N 11 - Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means (6,556)
H02N 13 - Clutches or holding devices using electrostatic attraction, e.g. using johnson-rahbek effect (1,323)
H02N 15 - Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided for (1,356)
H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251)
H02N 3 - Generators in which thermal or kinetic energy is converted into electrical energy by ionisation of a fluid and removal of the charge therefrom (497)
H02N 6 - Generators in which light radiation is directly converted into electrical energy (10,180)
H02N 99 - Subject matter not provided for in other groups of this subclass (66)
Patents for H02N - Electric machines not otherwise provided for (40)
06/2013
06/11/2013CA2543738C Energy harvesting circuit
10/2012
10/03/2012CN101103516B Energy saving driving circuit for piezoelectric motor
08/2010
08/24/2010US7781937 Piezoelectric generator system that includes an energy storage
02/2010
02/23/2010US7667372 Driving circuit for piezoelectric motor
10/2009
10/27/2009US7608935 Method and system for generating electricity utilizing naturally occurring gas
02/2009
02/12/2009US20090039733 Piezoelectric Generator System that Includes an Energy Storage
11/2008
11/19/2008EP1680860A4 Energy harvesting circuit
01/2008
01/09/2008CN101103516A Energy saving driving circuit for piezoelectric motor
08/2007
08/29/2007CN101027833A Driving circuit for piezoelectric motor
06/2007
06/20/2007CN1985402A Energy harvesting circuit
05/2007
05/31/2007US20070120367 Method and system for generating electricity utilizing naturally occurring gas
04/2007
04/04/2007EP1769575A1 Driving circuit for piezoelectric motor
04/04/2007EP1769574A1 Energy saving driving circuit for piezoelectric motor
04/03/2007US7199503 Energy saving driving circuit for piezoelectric motor
03/2007
03/01/2007WO2005046040A3 Energy harvesting circuit
02/2007
02/14/2007EP1751844A1 A piezoelectric generator system that includes an energy storage
02/08/2007WO2005041396A3 Method and system for generating electricity utilizing naturally occurring gas
08/2006
08/01/2006US7084605 Energy harvesting circuit
07/2006
07/19/2006EP1680860A2 Energy harvesting circuit
12/2005
12/29/2005US20050285477 Energy saving driving circuit for piezoelectric motor
12/22/2005WO2005122383A1 Energy saving driving circuit for piezoelectric motor
12/22/2005WO2005122382A1 Driving circuit for piezoelectric motor
12/22/2005US20050280332 Driving ciruit for piezoelectric motor
12/01/2005WO2005114826A1 A piezoelectric generator system that includes an energy storage
12/01/2005CA2567458A1 A piezoelectric generator system that includes an energy storage
05/2005
05/25/2005CN1620749A 太阳能转换器和太阳能转换系统 Solar energy converters and solar energy conversion systems
05/19/2005WO2005046040A2 Energy harvesting circuit
05/19/2005US20050104553 Energy harvesting circuit
05/19/2005CA2543738A1 Energy harvesting circuit
05/06/2005WO2005041396A2 Method and system for generating electricity utilizing naturally occurring gas
09/2004
09/29/2004EP1461857A2 Solar energy converter and solar energy conversion system
07/2004
07/08/2004WO2003052917A8 Solar energy converter and solar energy conversion system
03/2004
03/30/2004US6713668 Solar energy converter and solar energy conversion system
11/2003
11/27/2003WO2003052917A3 Solar energy converter and solar energy conversion system
06/2003
06/26/2003WO2003052917A2 Solar energy converter and solar energy conversion system
06/26/2003CA2468482A1 Solar energy converter and solar energy conversion system
06/19/2003US20030111104 Solar energy converter and solar energy conversion system
02/1989
02/15/1989CN1031164A Method and apparatus for converting energy from environment inot electric energy
01/1986
01/21/1986CA1199668A1 Energy conversion system
12/1983
12/27/1983CA1159514A1 Static var generator with overvoltage protection for the switched capacitors thereof