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

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...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!

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Examiner: Metz, Andrew H.


Primary examiner statistics: 908 patents; average approval time: 1032 days
Assistant examiner statistics: 204 patents; average approval time: 746 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
4786400 Method and apparatus for catalytically converting fractions of cr...
4780448 Preparation of a catalyst containing copper and silica
4753033 Process for producing a clean hydrocarbon fuel from high calcium ...
4740293 Premium coke from a blend of pyrolysis tar and hydrotreated decan...
4727218 Procedure and means for separating or purifying organic substance...
4724853 Method and apparatus for decontaminating solid surface
4724134 Production of tailor-made particle size distributions of substant...
4724068 Hydrofining of oils
4724226 Boria-promoted HP catalyst
4723962 Process for recovering lithium from salt brines
4724069 Hydrofining process for hydrocarbon containing feed streams
4722832 Sulfur recovery process
4722783 Conditioning of recycle shale in retorting process
4722782 Method for solvent treating of tar sands with water displacement
4720306 Cleaning method
4719195 Process for presulfurizing a hydrogen treatment catalyst
4719002 Slurry hydroconversion process
4718945 Sugar centrifuge
4717466 Multiple riser fluidized catalytic cracking process utilizing hyd...
4717468 Distillation process control for maximum recovery using minimum e...
4717426 Method and device for cleaning printing ink and printing mould fo...
4717553 Removal of amines from air streams
4717782 Catalytic process for oligomerizing ethene
4717785 Removal of phosphine impurities from higher olefins
4715947 Combination process for the conversion of a residual asphalt...
4715948 Improving the life of a catalyst used to process hydrocarbon cont...
4715945 Aromatic pitch
4715946 Process for deasphalting a hydrocarbon charge containing asphalte...
4714695 Method for the preparation of high activity palladium based catal...
4714543 Method of treating brown coal for liquefaction
4714604 Method of separating HF and SiF4 from HCl
4714694 Aluminum-stabilized ceria catalyst compositions, and methods of m...
4712552 Cushioned abrasive composite
4713115 Method for demolishing durable structures
4713119 Process for removing alkali metal aluminum silicate scale deposit...
4713233 Spray-dried inorganic oxides from non-aqueous gels or solutions
4713120 Method for cleaning a gas turbine engine
4713167 Multiple single-stage hydrocracking process
4713168 Premium coking process
4713169 Fluid feed method

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
4226732 Synthetic aircraft turbine oil
4183817 Load-carrying additives and compositions thereof
4178253 Corrosion inhibited lubricant compositions
4178259 Dispersant Mannich base compositions
4177153 Lubricating oil additive composition
4176076 Monoalkanolamide borates, compositions containing the same, and t...
4176077 Haloalkyl hydroxy-aromatic condensation products as lubricant add...
4176072 Diesel engine crankcase lubricating oil composition
4175044 Mannich base composition and lubricating oil compositions contain...
4174284 Hydrocarbylpolythiobenzoic acids as anti-oxidation additives
4173540 Lubricating oil composition containing a dispersing-varnish inhib...
4170560 Lubricating oil antioxidant additive composition
4170561 Lubricating compositions with lactam or thiolactam-containing cop...
4169801 Amine derivatives of lactam acid and their use as lubricating oil...
4168242 Novel alkenyl-substituted oxa-amines and their use as additives f...
4165292 Lubricant corrosion inhibitor
4164475 Multi-grade 80W-140 gear oil
4163730 Hydroxyalkyl hydroxy-aromatic condensation products as lubricant ...
4162225 Lubricant compositions of enhanced antioxidant properties
4161475 Sulfurized Mannich condensation products and lubricants containin...
4159960 Lubricant compositions
4159254 1,3,5-S-Hexahydrotrisubstituted triazines and hydrocarbon metal w...
4159253 1,3,5-S-Hexahydrotrisubstituted triazines and hydrocarbon metal-w...
4157990 Lubricating and anti-tack compositions useful in the shaping of ...
4157972 Multipurpose lubricating oil additive and compositions containing...
4157971 Synthetic aircraft turbine oil
4157970 Synthetic aircraft turbine oil
4157308 Mannich base composition
4157309 Mannich base composition
4155861 Ester lubricant
4153566 Oxazoline additives useful in oleaginous compositions
4153562 Antioxidants for low ash and medium ash lubricating oils
4152275 Sulfurized olefin adducts of phosphorodithioic acids and organic ...
4152342 Oleophilic amidopolyethylenepolyamines
4151101 Method and composition for controlling foam in non-aqueous fluid ...
4149983 Antimicrobial additive for metal working fluids
4149984 Lubricating oil additives
4148737 Antioxidant additive composition and lubricating oil containing s...
4148738 Antioxidant additive composition and lubricating oil containing s...
4148739 Antioxidant additive composition and lubricating oil containing s...
 
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