Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Liddell; Sarah Helen
Address:
Malmesbury, GB
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
7921962 Silencing arrangement April 12, 2011
In an appliance, such as a cyclonic vacuum cleaner, a motor is arranged to drive an impeller fan located in a motor and fan unit. The rotation of the impeller may cause nuisance tones to be generated. A silencing arrangement is provided to control such noise and includes a plurality of










 
 
  Recently Added Patents
Stepped delay control of integrated switches
Hydrogenolysis of ethyl acetate in alcohol separation processes
Protein kinase C inhibitors and uses thereof
Power semiconductor module
Synchronization of sound generated in binaural hearing system
Case for a tablet computer
Node and wireless sensor network comprising the node
  Randomly Featured Patents
Ultrasonic system for automatic determination of material stiffness constants
Means for inletting water into an automatic washer including a water inlet and louvered basket arrangement
Digital memory circuit having a plurality of memory banks
Method and apparatus for location of anomalous signal in a radial bearing
Knife with a colored beveled edge
Electrical detection of dicing damage
Package
Diagnosis and treatment of human kidney diseases
Method for managing annotations in a computer-aided design drawing
Television camera apparatus