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

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...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!

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Lawrence, Evan K.


Primary examiner statistics: 897 patents; average approval time: 732 days
Assistant examiner statistics: 73 patents; average approval time: 714 days

Patents as Primary Examiner

1                      
NumberTitleIssue Date
5258203Process for the manufacture of thin film composite membranes
The disclosed invention is directed to the manufacture of high-flux, thin-film, composite reverse osmosis membranes by use of cyclohexane or aliphatic hydrocarbon solvents such as hexane with selected solvent additives. This avoids the use of chlorofluoro...
11/02/1993
5229121Method for camouflaging a hunter
A hunter's face is camouflaged by applying colored fluids which dry to form a peelable film. The fluids are used to produce a camouflage pattern which comprises splotches or stripes having colors comprising black, brown, green, yellow, white and gray. In ...
07/20/1993
5221556Gas injectors for reaction chambers in CVD systems
The present invention relates to improved injectors for use in CVD reactor systems, and more specifically for use in epitaxial deposition systems for processing a single water-at-a-time. The improved injectors of the present invention are used to provide ...
06/22/1993
5217745Method and apparatus for applying a programmable pattern to a succession of moving objects
Method and apparatus for applying a programmable pattern to a succession of moving objects, comprising a microprocessor for storing a user defined value representing the length of the pattern, a clock for generating a series of pulses and a photo-eye for ...
06/08/1993
5217744Paint color testing method
A kit and method for testing the color of paints to be applied to painted surfaces having primers or sealers thereon to determine if a paint color matches that of a painted surface. Preferably, the kit comprises a plurality of testing members removably mo...
06/08/1993
5213847Electrostatic fluidized bed having horizontal and vertical coating effects and method utilizing same
Electrostatic fluidized bed coating apparatus consists of an horizontal porous plate and a contiguous, vertical porous plate. Charged particles exiting the bed formed on the horizontal plate fall past the outer surface of the vertical plate, and are elect...
05/25/1993
5211990Polyolefin flame spraying method
Improved plastic flame spray coating apparatus and methodology are disclosed. An inert gas is configured to shroud or envelop the pneumatically-conveyed stream of powdered plastic which is carried through the combustion flame. The polyolefin coating has i...
05/18/1993
5209953Overall printing of tissue webs
Printing of a surface of a tissue web, such as used for facial and bath tissue, with a colorant in a pattern of small colored areas. From about 5 to about 25 percent of the surface is covered by the small colored areas, so that the surface macroscopically...
05/11/1993
5209948Method for fluidizing, conveying and/or atomizing solid and liquid coating materials
A method of fluidizing, conveying and/or atomizing powdery or liquid coating material in surface coating, particularly in electrostatic surface coating. An inert gas under high pressure is reduced to a lower, operating pressure, whereby it cools to a temp...
05/11/1993
5209369Application of sealant membrane by spraying and resultant membrane
A sealant membrane for preventing leakage of fluids from fluid-containing tanks and a method of application of the membrane. The membrane is deposited in a varying thickness atop surfaces of interconnected wall panels in the tank by spray application of s...
05/11/1993
5207797Method for producing designs and image patterns on denim products
A method for producing design patterns on denim products is disclosed wherein a predetermined design is formed on the denim with a composition comprising a paste form from albumen and deutoplasm. The denim product is dried and thereafter bleached. Upon wa...
05/04/1993
5208076Full coverage printing
A method for printing a web along the entire transverse width of the web, while avoiding ink build up on an impression cylinder, comprises passing the web between a printing cylinder and an anilox roll, and applying ink from the anilox roll to the web suc...
05/04/1993
5206054Apparatus and method for applying a coating to a can body
Apparatus and method for applying a coating, such as a lubricant, on at least a portion of the outer peripheral surface of a can body wherein a turret having a plurality of pockets formed in its outer peripheral surface is mounted for rotation about a rel...
04/27/1993
5206053Method of coating for enhancement of bulk and hand in carpets
An enhancement of the bulk and hand of carpeting and carpet fiber is made by treating with a terpolymer, particularly the terpolymer of (a) phenyl vinyl ether, (b) 2-(4-hydroxymethyl-phenoxy)ethyl vinyl ether, and (c) maleic anhydride....
04/27/1993
5204055Three-dimensional printing techniques
A process for making a component by depositing a first layer of a fluent porous material, such as a powder, in a confined region and then depositing a binder material to selected regions of the layer of powder material to produce a layer of bonded powder ...
04/20/1993
5204142Method for integrally forming a cutter on a carton blank
A paperboard shaped into a profile substantially the same as that of a carton blank for folding into a carbon is formed with a plurality of first slits on an edge of the paperboard at a predetermined angle relative to the edge and with a plurality of seco...
04/20/1993
5200234Method for restoring underground electrical cable
An improved method for the restoration of in-service underground residential distribution electrical cable which is positioned within a surrounding conduit is disclosed, the method comprising filling the space between the cable and the conduit with a homo...
04/06/1993
5198271Method for producing polyolefin foam sheet
A method for producing a polyolefin foam sheet which includes heating a foamable base sheet comprising a polyolefin resin, a foaming agent, and a resin varnish. The resin of the varnish is selected from the group consisting of rosin, cumarone-indene resin...
03/30/1993
5196236Ink jet color printing method
Color printing characterized by high color density and color contrast is provided by jetting an ink composition composed of an optically clear, phase change base material and a primary subtractive color dye which is soluble in the base material onto the s...
03/23/1993
5196067Electrostatic spraying installation for water-based paint
An electrostatic spraying installation for low-resistivity paint comprises a conveyor which conveys large objects such as automobile bodies, to be painted with a substantially constant distance between their respective leading edges. A plurality of spraye...
03/23/1993
5194328Process for the electrostatic coating of composition and coated plastic molding
An article of a crystalline thermoplastic resin is electrostatically coated by the steps of: electrostatically applying a polyurethane, olefin, polyester or epoxy primer to a molding of a resin composition comprising 100 parts by weight of a crystalline t...
03/16/1993
5192586Method and apparatus for coating a substrate with a liquid resin
A method and apparatus of applying a coating to a substrate is provided. A liquid resin is introduced into a first region at a predetermined pressure. The liquid resin is maintained within a first pressure range in the first region. Next, the flow of the ...
03/09/1993
5192585Differential pressure sealing apparatus and method
A differential pressure sealing apparatus and method for processing a continuously moving elongated sheet through successively different stages of vacuum. A vacuum chamber is provided with an inlet and a guide roller for the incoming sheet with the sheet ...
03/09/1993
5190790Powder coating removal method
A method and apparatus is provided for removing electrostatically bonded powder coating material from a non-recessed region of a surface of a workpiece without removing powder coating material from a recessed region of the surface of the workpiece. The pr...
03/02/1993
5186975Process and machinery for step-and-repeat vacuum-deposition of large-area thin-film-electronics matrix-circuits on monolithic glass panes through small perforated metal masks
Active matrix addressed liquid crystal TV sets configurated in the way described by A. G. Fischer in U.S. Pat. No. 3,840,695 can be enlarged to monolithic square-meter-sized wall TV panels. The large-area thin-film-electronic matrix circuit needed to addr...
02/16/1993
5186980Roofing shingles and method of making same
A method of making roofing shingles in several lanes in which, after the asphalt saturated base sheet is covered with a first granule layer, a pattern of asphalt patches is printed on each lane and contrasting color granules are adhered to the patches. Ea...
02/16/1993
5186983Process for decorating a hard surface
A process for applying a decorative design to a hard surface is provided which utilizes a template with holes of a predetermined design cut by a water jet to give a feathered boundary to the holes. The feathered boundary enables a hard surface when painte...
02/16/1993
5186982Pin transfer applicator and method
A method and an assembly useful for dispensing small quantities of liquid materials onto a workpiece. The assembly includes an applicator having a pin movable along a passageway from a retracted position to an extended position. As the pin moves to the ex...
02/16/1993
5183511Photo CVD apparatus with a glow discharge system
A photo CVD apparatus includes a reaction chamber, a light source for radiating light to the inside of the chamber through a light window, and a pair of electrodes disposed in the chamber for glow discharge, one of the electrodes being located on the ligh...
02/02/1993
5183691Paper coating head, apparatus and method
There is disclosed a head for use in an apparatus for coating a sheet member which comprises a first body portion, securable at a predetermined spacing from the surface to be coated, a coating blade securable to the first body portion and projecting towar...
02/02/1993
5173325Method and apparatus for coating articles
A method and apparatus for spraying a solid particulate powder onto the interior surface of tubular articles by intermittently pumping the powder from a fluidized bed of powder through a powder supply line containing an intermittently operated venturi pum...
12/22/1992
5173326Method and apparatus for electrostatic coating of workpieces with powdered material
A method and an apparatus for electrostatic coating of workpieces with powdered material includes a plurality of successively arranged spray guns which are passed by the workpieces. At least the spray gun which is passed first by the workpieces is charged...
12/22/1992
5173335Method of producing multilayer reverse osmosis membrane of polyamide-urea
The present invention is directed to a method of producing an improved reverse osmosis membrane that shows surprisingly improved solute rejection and permeation properties. The membrane includes a separating layer of a polyamideurea formed in situ by reac...
12/22/1992
5173338Lead frame workholder and transport apparatus and method
Lead frame workholder and transport apparatus for holding and transporting a strip of lead frames from one station to another, each lead frame having a pad and a locating pinhole, comprises a track having an input station at one end and an output station ...
12/22/1992
5169686Process for making marbleized polyester coating
A method is disclosed for an improved process for coating a substrate with a marbleized polyester coating. The substrate is prepared for adherence by a polyester material. The substrate is coated with a first colored polyester material. A second colored p...
12/08/1992
5169673Method and apparatus for electrostatically spray painting objects in a spray paint booth
A spray painting booth for electrostatically painting objects includes encapsulated electrically charged panels which are adapted to repel electrically charged paint particles that are produced by an electrostatic spray painting device. The electrostatic ...
12/08/1992
5169681Method of producing an ornamental sticker without a separate cutting step
A method of producing an ornamental sticker having a configuration in which an adhesive layer, a base plate layer and a multicolored printing layer are formed as one body to make an applique sheet, which sticker requires no separate cutting process in the...
12/08/1992
5167991Method for producing a replicated stone surface
A method for producing a replicated stone surface comprising the steps of preparing a polymer mortar, coating a substrate with the polymer mortar, leveling the polymer mortar to a substantially even thickness, creating a textured surface on the polymer mo...
12/01/1992
5165967Method for producing article with different gloss surfaces
A method for producing an ink-printed article with two different and disce gloss finishes by using inks with different drying times and then applying an acrylic coating to article covered with the inks prior to the complete drying of one of the inks but ...
11/24/1992
5165964Process for applying deodorant particles to a membrane
A process for applying deodorant particles to a membrane used for clothing in which the particles are applied from a liquid coating material that penetrates into the pores of the membrane, thus resulting in a higher concentration of particles in the surfa...
11/24/1992
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