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

Icon_funbox Did You Know...

...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!

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Examiner: Burkhart, Patrick N.


Primary examiner statistics: 0 patents; average approval time: N/A
Assistant examiner statistics: 224 patents; average approval time: 602 days

Patents as Primary Examiner

Patent No. Patent Title:
No patents.

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
4899940 Spray washing device for motor vehicles and the like
4898330 Portable deicer sprayer
4895304 Spraying apparatus
4892254 Aircraft engine interface fairing support
4889288 Fuel injection nozzle
4884749 Sprinkler stand, particularly for nonlevel ground
4881661 Water bottle refill system
4880166 Valve pistol for a high pressure cleaning device
4878620 Rotary vane nozzle
4878615 Fluid evaporating devices
4875627 Free passage nozzle
4872611 Venturi-less water nozzle
4871114 Apparatus for power spraying operating with flame jet
4865255 Self-contained, mobile spraying apparatus
4863336 Trash pick-up truck
4860956 Thrust reverser for aircraft jet engine and aircraft engine equip...
4860953 Aesthetically pleasing air freshener
4860954 Adjustable oscillating wave-type sprinkler
4860955 Spraying equipment with rotatable cap for adjusting flowrate
4858830 Spraying device having an additive fluid dispenser at an exit end
4858832 Agricultural water cannon
4858769 Flotation separator
4858826 Colored flame water fountain illumination system
4856714 Fuel injection nozzles
4854503 Boom spraying apparatus
4854506 Electrostatic spraying
4852803 Fuel injection nozzles
4850516 Positive displacement dispenser
4850531 Drip emitter
4850532 Process for sprinkling lawns
4850537 Method and apparatus for producing multivortex fluid flow
4850540 Stop valve-carrying rotary nozzle for machine tools
4848662 Water sprinkler
4848661 Sprinkler head shutoff valve
4848671 High pressure water/abrasive jet cutting nozzle
4848667 Water spray nozzle including combined intake nozzle and valve str...
4848656 Process for the controlled disposal of an aerosol cloud and a dev...
4848657 Method of and apparatus for controlling the flow rate of viscous ...
4848666 Nozzle head, especially for use in a de-icing device for aircraft
4848665 Compact spray gun
 
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