U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.

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Examiner: Redding, David A


Primary examiner statistics: 233 patents; average approval time: 238 days
Assistant examiner statistics: 0 patents; average approval time: N/A

Patents as Primary Examiner (view all)

Patent No. Patent Title:
8082621 Steam mop
8060979 Vacuum cleaner with removable dust collector, and methods of oper...
8060981 Upright vacuum cleaner
8028370 Cleaning machine for cleaning a surface
8011063 Overload clutch for rotating agitation member in cleaning machine
8011061 Nozzle assembly of vacuum cleaner
8006344 Suction nozzle-hanging apparatus for use in vacuum cleaner
8001651 Floor washing robot
8001653 Vacuum apparatus
7996957 Centrifugal dirt separation configurations for household-type and...
7998277 Removing hair from a surface
7987548 Leaf and lawn vacuum bagger
7987550 Method of determining the degree of filling of the dust collector...
7984529 Robotic pet waste treatment or collection
7984530 Pet waste vacuum system and apparatus, disposable liners therefor...
7979956 Vacuum bag attachment device and method
7979953 Vacuum cleaner
7979959 Accessory for a cleaning appliance
7979951 Surface cleaning apparatus with recovery tank
7979954 Portable cleaning assembly with waste container
7979952 Wet/dry floor cleaning device
7979955 Surface cleaning apparatus with recovery tank
7966690 Surface cleaning with recovery tank float control
7962992 Toothbrush with elastomer filled flexible head
7962994 Vacuum electronic switch detection system
7962995 Apparatus for cleaning synthetic grass
7958594 Central vacuum cleaner cross-controls
7958595 Floor cleaning apparatus
7954202 Pivotal nozzle arms with external hose port
7950097 Cleaning apparatus for a preferably planar surface
7950102 Upright vacuum cleaner having steering unit
7945991 Vacuum cleaner comprising an operating rocker
7945988 Method and apparatus for controlling a vacuum cleaner
7941893 Vacuum cleaning tool and method for its operation
7937801 Floor cleaning appliance
7937799 Container cleaning machine
7937802 Vacuum cleaner for use in both upright form and canister form
7934287 Head for a cleaning implement having a removable dirt bin
7934286 Upright vacuum cleaner with a single frame support for a separabl...
7930797 Suction brush assembly capable of automatic height adjustment

Patents as Assistant Examiner

Patent No. Patent Title:
No patents.
 
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