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

Icon_funbox Did You Know...

...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.

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Examiner: Stouffer, Richard T.


Primary examiner statistics: 820 patents; average approval time: 767 days
Assistant examiner statistics: 26 patents; average approval time: 581 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
4967849 Guard assembly for earth tillers
4953482 Mulching and seeding apparatus and method with film severing and ...
4936390 Tool apparatus with tool attached to end of outrigger arm
4934712 Weighted objects with tether and means for twisting tether to rai...
4923014 Agricultural implement with gas springs and control
4919213 Garden roller tool with adjustable telescopic arms
4909330 Automotive earth moving vehicle with segmented blade for alternat...
4900093 Impact ripper and control
4892158 Three point coupling arrangement for a tractor
4887616 Restraint mitt for restraining a wearer's hand and arm
4867248 Shank mounting assembly for soil opening point
4852659 Motor grader with high-lift and lock arrangement
4852657 Apparatus for selectively positioning movable work element with ...
4850435 Cultivator sweep with pair of rearwardly extending downturned rig...
4848481 Tractor with hydraulic control system for preventing skidding
4846286 Ball mark fixer apparatus with pivotal turf gripping element
4844046 Compressed air gun with lever attenuator
4841961 Patient restraining device and temporary transport
4834190 Spring tine and detachably secured attachment
4832130 Sod harvester with conveyor structure
4825956 Tractor and implement with implement inclination control
4825955 Plough reversing method
4823884 Plow cleaning device
4821806 Implement having parallel cylinder depth control and series cylin...
4821809 Multiple section drawbar
4821807 Row crop tillage and planting unit guidance system
4817726 Actuating arrangement for a power lift
4813490 Soil dressing tool with tines having curved bottom edges
4811794 Garden tiller with reciprocating tines
4809785 Agricultural working vehicle with electro-hydraulic for regulatin...
4807461 Motor grader main frame
4807872 Child swing with upstanding members in abutting relationship
4800963 Bidirectional moldboard plow with moldboard frame including guide...
4798376 Amusement ride apparatus with a plurality of individually tiltabl...
4791996 Agricultural tractor with lightweight frame and front and rear wh...
4791995 Manual tiller, mulcher, weeder tool
4790388 Cultivation tool rear edges
4790389 Field cultivator frame with limiting assembly
4786204 Clamping apparatus with bi-directional clamping device
4781254 Two-piece earth engaging implement and method of forming the same

Patents as Assistant Examiner

Patent No. Patent Title:
4165787 Invertible plow construction
3979119 Game board structure
3976145 Finish tools with mounting bracket therefor
3972526 Inflatable body balloon
3972374 Trip mechanism for ground working implement
3970012 Soil agitating device
3967684 Wingfold positioning device
3963237 Hand-held power cue stick chalker and talcum powder dispenser
3961793 Educational and recreational game
3961670 Hydraulic control system for hydraulically operated road grader
3961788 Bulldozer blade with improved tip and end bit
3960220 Subsoil plow
3960218 Grass-clearing device for lawn-sprinkler heads
3960221 Tillage tool transport arrangement
3958804 Billiard game table
3958331 Garden tool with movable blade and detachable stationary blade
3958549 Air rifle having a detachable rear body
3958802 Jumping hoop
3958550 Air rifle
3956835 Log skidder with implement mounted cable guide means
3954144 Folding implement chain lifter
3948326 Powered link detent device
3944001 Hydraulic folding mechanism for discs and the like
3943998 Lawn edge trimming implement
3941378 Convertible pool-dining table with retractable ball box
3939919 Bulldozer frame with arm stress equalizer
 
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