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

Icon_funbox Famous Patents

The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Examiner: Zitomer, Fred


Primary examiner statistics: 663 patents; average approval time: 767 days
Assistant examiner statistics: 156 patents; average approval time: 577 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
RE38913 Biocompatible hydrogel
6696534 Random copolymer compositions
6689855 Diffraction devices and methods
6686426 Perfluoro copolymers of tetrafluoroethylene and perflouro alkyl v...
6680346 Phosphorus atom-containing fluorinated cation exchange membrane a...
6677033 In situ fluoropolymer polymerization into porous substrates
6667349 Method for producing osmotically and mechanically stable gel-like...
6667369 Processes for preparing (meth) acrylic polymers having functional...
6660818 Method for producing a fluoropolymer
6649663 Process for preparing monodisperse ion exchangers having chelatin...
6649715 Fluoropolymers and methods of applying fluoropolymers in molding ...
6646077 Peroxide curable fluoroelastomers
6646075 High molecular weight perfluorocyclobutane polymers and method of...
6632902 Process for rotomolding with melt-extruded TFE/PAVE copolymer
6632847 Polymer composition, membrane containing said composition, method...
6632848 Heterogeneous anion exchanger
6627716 Process for preparing chlorotrifluoroethylene homopolymers having...
6627709 Polymer particles, method for their manufacture, and toners
6624206 Process for the preparation of free-flowing strongly acidic catio...
6624279 Water-soluble carbamate materials
6624269 Tetrafluoroethylene thermoprocessable copolymer microspheres
6623680 Tetrafluoroethylene/hexafluoropropylene copolymers with higher dr...
6624241 Waterborne coating compositions containing materials dispersed wi...
6613855 Polymerizable resin, and cured resins, insulators, components of ...
6610807 Fluoropolymers with improved characteristics
6605679 Polymerization of olefins
6602968 Free radical polymerization method for fluorinated copolymers
6599997 Fluorine-containing adhesive and adhesive film and laminated arti...
6593452 Fibers made of cycloolefin copolymers
6592857 Tertiary amide terminated polyamides in cosmetics
6593416 Fluoropolymers
6586547 Low crystallinity vinylidene fluoride hexafluoropropylene copolym...
6586546 Process for manufacture of a copolymer of tetrafluoroethylene and...
6583231 Process to make aminated polyolefins
6579960 Tetrafluoroethylene/ethylene copolymer and its film
6569910 Ion exchange resins and methods of making the same
6566471 Peroxide curable fluoroelastomers particularly suitable for manuf...
6566476 Monomer and polymerization process
6566442 Thermoplastic fluorinated polymers
6555639 Polymerization process of sulphonic monomers

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
6262299 Zwitterionic monomer having amino-multicarboxylic acid functional...
5340883 Organic liquid absorbent compositions based on phosphonic ac...
5314922 Ion exchange fibers and method for manufacturing the same
5298571 High-resilience ionomeric compositions for golf ball covers
5296577 Process for producing acrylamide polymer
5294687 Low molecular weight monoalkyl substituted phosphinate and phosph...
5294681 Water insoluble cross-linked acid compositions
5292844 Vinyl acetate modified suspension polymer beads, adhesives made ...
5292835 Microcapsules
5292825 Vulcanizable epoxy group-containing elastomer composition
5288767 Two-component adhesive composition for the chemical fixing techni...
5286799 Two-step free radical catalyzed process for the preparation of al...
5286789 Solid phase multiple peptide synthesis
5284879 High ion exchange capacity polyelectrolytes having high crosslink...
5284924 Process for the preparation of polyolefin/acrylonitrile coploymer...
5283316 Polymers with high refractive index and low optical dispersion
5281631 Phosphonic acid based ion exchange resins
5280084 Process for improving the hydrophilic properties on polymer surfa...
5280095 Fine particulate crosslinked type N-vinylamide resin and microgel...
5278244 Macromolecular monomers from living polymers
5278248 Water-soluble polymers and/or copolymers possessing increased ...
5278249 Coating compositions
5274041 Golf ball and process for producing the same
5274050 Organic liquid absorbent compositions based on phosphonic ac...
5270420 Stretched molding
5268436 Radically polymerizable multi-component mixtures and their use (I...
5266637 Process for grafting functions onto chlorinated (co)polymers, ...
5266652 Resinous composition for powder coating
5264528 Process for the preparation of 4-hydroxystyrene polymers from ...
5262244 Hydrophilic copolymers and their use in reprography
5256746 Low molecular weight monoalkyl substituted phosphinate and phosph...
5254637 Thermosetting coating compositions
5254648 Process for the preparation of polythiophenes and electrically ...
5254634 Crosslinked copolymer particles and process for producing the sam...
5254636 Rapid hydrolysis of crosslinked maleic anhydride/lower alkyl viny...
5252692 Hydrophilic acrylic copolymers and method of preparation
5250391 Photopolymer composition and its use
5248749 Polymerizable compound and polymer therefrom
5248737 Method of making amine/propylene copolymers
5247021 Process for preparation of a polymer having reactive terminal gro...
 
Sign InRegister
Username  
Password   
forgot password?