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

Icon_funbox Did You Know...

...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: Waltz, Thomas A.


Primary examiner statistics: 514 patents; average approval time: 752 days
Assistant examiner statistics: 228 patents; average approval time: 664 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
4594183 Perfume compositions and perfumed articles containing one or more...
4588521 Methyl phenethyl acetal of 2-butynal, process for preparing same ...
4588838 Diurea and diguanidine phosphinates and phosphonates
4587129 Hydrophilic gels containing high amounts of fragrance
4585662 Acyclic alcohol odorant and/or flavoring substances
4585796 Novel phenethanolamines
4585894 Process for producing 9-carbamoyl fluorene derivatives
4585582 Perfumery uses of 2-n-pentyl-2-cyclohexen-1-one
4584127 Utilization of 1-cyclopentenylacetic acid as perfuming ingredient
4584401 Methods and compositions involving polyhydroxylated polyiodo non-...
4582635 Perfume-containing resin
4582897 Azo dyes
4582633 Hydrocarbyloxy alkanals, organoleptic uses thereof and process fo...
4582932 Poly phosphinohydrazides and phosphinohydrazide copolymers
4581160 2-acetoxy-4-(2-bornyloxy) butane and organoleptic uses thereof
4579585 N'-[4-(1-Fluoromethyl-ethyl)phenyl]-urea derivatives
4578277 1(7)-p-Menthen-9-al and its utilization as perfuming and flavorin...
4576742 Perfume uses of reactive product containing mono-oxomethyl substi...
4577042 Homogeneous coordination compounds as oxidation catalysts
4576740 Tertiary pentamethylindanol derivatives and organoleptic uses the...
4575571 Process for the simultaneous halogenation and fluorination of aro...
4572795 Odorant substances
4571435 Preparation of nitrogen fertilizers from oxalate esters prepared ...
4571408 ଱,ଲ-Dihydropolyprenyl derivatives for treating hepati...
4569801 Alkylsulfonamidophenylalkylamines
4569689 Aniline derivatives and their use for controlling undesirable pla...
4568486 Augmenting or enhancing the leather aroma of perfume compositions...
4568694 Growth-enhancing cystamine derivatives
4565887 N-Phenylsulfonamides
4565866 Method for the preparation of formamides
4564639 N-(2,6-Difluorobenzoyl-N-'-(2-fluoro-4-halophenyl)urea
4563348 Sec-butyl (Z)-7-tetradecenoate and its use as a sex attractant fo...
4562208 N-Sulphenylated ureas, microbicidal agents containing these compo...
4562206 Orally effective inotropic compounds
4560820 Alkylaromatic dealkylation
4560798 Production of aminoethylethanolamine using rare earth metal or st...
4560500 Norbornylbutadiene-acrolein adducts, process for preparing same a...
4560499 Isosolanone and solanone intermediates and organoleptic uses
4559409 Process for manufacturing guanylurea sulfamate
4559361 Naphthalenecarboxamides, their production and use

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
4131621 Adducts of carbamoyl sulphoxides
4125730 Preparation of -aminoalkanoic acid arylamides
4123531 Anti-convulsant N-ethanolamine diphenyl acetamides
4122266 Reaction of aryl sulfonic acid ester and amines
4120898 Sulfur containing vinyl amide cross-linking agents
4118560 Substituted 1,4-bis-styrylbenzene and 4,4'-bis styrylbiphenyl and...
4117010 Thiolcarbamate sulfoxides stabilized with hindered phenols
4117009 Method of making N-[4-chlorophenyl)amino]carbonyl)-2,6-difluorobe...
4115445 Process for the preparation of trisubstituted ureas
4115450 Bis-aminoarylethane amide compounds
4111682 N-(aminoalkylene thiomethyl)-N'-(aryl) urea herbicides
4110378 Method of reduction employing resin adsorbents
4109009 Analgesic, relaxant, and anti-inflammatory cyclopentanol derivati...
4107205 ଱-Aryl-଱,଱-bis[ω-(disubstituted amino)alk...
4107428 Di-vinyl color formers
4105693 Process for producing 2-alkylbenzanilide
4105795 Antispasmodic substituted sulphoximides
4104035 Preparation of solid fuel-water slurries
4102796 Lubricating oil antioxidant additive composition
4101575 N-aryl-N'-(2,3-dihalogeno-alkanoyl)-ureas
4101576 2-Carbamylmethyl-or (diethylcarbamyl)methyl-amino-4-hydroxy tolue...
4100191 4-(M,M'-Di-t-butyl-p-hydroxyphenyl)-butyl-2-diamides
4100187 Olefin-thionophosphine sulfide reaction products, their derivativ...
4100083 Lubricant compositions containing an amine salt of a half ester o...
4098904 Analgesic N-(2-aminocycloaliphatic)benzamides
4098585 Amine-alkenylsuccinic acid or anhydride reaction product
4098805 9-Deoxy-9-methylene-PGF-type amides
4098900 N,N'-Diphenyl-guanidine derivatives
4097668 2-[(P-Methoxy-benzoyl)-hydrazono-formyl]-quinoxaline-1,4-dioxide
4097608 Anti-ulcerous tyrosine derivatives
4096334 Process for the manufacture of carbodiimides
4094902 Process for the manufacture of phosphoric acid-tris-(dimethylamid...
4094904 Process of racemizing an optically active phenyl glycine amide wi...
4093742 Anti-hypertensive polyhaloisopropyl-substituted arylureas
4093653 Process for the preparation of optically active phenyl glycine am...
4089872 Antibiotics steffimycinol and 7-deoxysteffimycinol and process fo...
4089899 Fertilizer compound of the ureaform type and a method for the pro...
4088454 Method for producing a liquid fuel composition
4086272 Phenyl-alkanolamine, alkylamine and alpha-aminoalkyl ketone deriv...
4086172 Lubricating oil additive composition
 
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