|
US7828113B1
|
|
Methods and apparatus for controlling vibration of enclosures, particularly loudspeaker enclosures
|
|
US5255528A
|
|
Method and apparatus for recuperating waste heat in absorption systems
|
|
US5218843A
|
|
Regenerative absorption cycles with super-pressure boiler
|
|
US5157942A
|
|
Regenerative absorption cycles with multiple stage absorber
|
|
US4921515A
|
|
Advanced regenerative absorption refrigeration cycles
|
|
US4646220A
|
|
DC power supply with compensated current reference
|
