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

Icon_funbox Bizarre Patents

Patent No. 5277148

Wearable Pet Enclosure

An enclosure for small animals which is wearable on the front or back of an animate being.

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.

 

Assignee: BMC Industries, Inc.


Location: Minneapolis, MN
No. of patents: 18

NumberTitleIssue Date
6682875Method and apparatus for imaging with fiber optic arrays on non-flat surfaces
A photoresist etching process and system can be used for the etching of non-planar or three-dimensional surfaces by using a non-planar shaped fiber optic array or fiber optic panel. The array or panel has a contour or shape that may nest a non-planar or t...
01/27/2004
6562249Method utilizing a magnetic assembly during etching thin shadow masks
In an improved method of etching apertures in a thin metal sheet to form a shadow mask for a color picture tube, the metal sheet has a first acid-resistant stencil on one major surface thereof and a second acid-resistant stencil on the other major surface...
05/13/2003
6537459Method and apparatus for etching-manufacture of cylindrical elements
A process is described for the manufacture of flexible tubular elements, particularly stents for the medical field, the process comprising the steps of: a) providing a hollow metal tube (or metal coated tube) with an open pattern of a chemical-etch-resist...
03/25/2003
6468439Etching of metallic composite articles
A process for the etching of multiple layers of at least two different metals comprisies: forming a resist pattern over a first layer of metal, said resist pattern having a pattern of openings therein, applying a first etch solution onto said resist patte...
10/22/2002
6409930Lamination of circuit sub-elements while assuring registration
A process for the formation of an article having multiple electrical circuits comprises: providing a first sub-element comprising in sequence a first metal layer of copper in electrical contact with a second metal layer of aluminum in electrical contact w...
06/25/2002
6365057Circuit manufacturing using etched tri-metal media
A process for the formation of an article having multiple electrical circuits comprises: providing a first sub-element comprising in sequence a first metal layer of copper in electrical contact with a second metal layer of aluminum in electrical contact w...
04/02/2002
6086773Method and apparatus for etching-manufacture of cylindrical elements
A process is described for the manufacture of flexible tubular elements, particularly stents for the medical field, the process comprising the steps of: a) providing a hollow metal tube (or metal coated tube) with an open pattern of a chemical-etch-resist...
07/11/2000
5636029Elliptical laser probe for shadow mask
A laser probe for measuring apertures in a sheet of material has a laser beam and a detection system. The laser beam has a major axis and a minor axis which are orthogonal to each other. The major axis is much larger than the minor axis. The dimensions of...
06/03/1997
5531935Photochromic naphthopyran compounds
A naphthopyran compound represented by the formula: ##STR1## wherein R4, R5, R6, R7, R8, R9, R10, and R11 are each selected from the group consisting essentially of ...
07/02/1996
5484074Method for manufacturing a shadow mask
A method for manufacturing a shadow mask for use in a cathode ray tube includes providing a thin metal web having a first and second major surfaces. Photosensitive layers are formed on the first and second major surfaces. The first photosensitive layer is...
01/16/1996
5446508Progressive power lens
The present includes a progressively variable focal power ophthalmic lens that has a unique geometry which significantly reduces aberrations in the lens. The aberrations are reduced by altering the traditional geometry associated with peripheral areas of ...
08/29/1995
5387313Etchant control system
An etching system for etching openings in a metal web including multiple etching station for etching a metal web from opposite sides, with each of the etching stations including a set of first bank of oscillatable nozzles located in a first chamber in the...
02/07/1995
5351100Glass multifocal ophthalmic lens with polarizing element and method of making
The present invention includes a glass multifocal light polarizing ophthalmic lens having a glass multifocal lens portion with a multifocal element fused to a convex outer surface of the multifocal lens portion, a single vision lens portion opposing the m...
09/27/1994
5298352Emulsion printing plates and evacuation channels
A photo printing plate having an upper air evacuation channel and a lower air evacuation channel with the lower air evacuation channel formed in a emulsion layer and the upper air evacuation channels formed by spacers located partially on top of the opaqu...
03/29/1994
5286419Process for making a light polarizing spectacle lens
A process for making a light polarizing spectacle lens and the light polarizing spectacle lens product. The process includes drying a polarizing film at approximately 140-160° F. for approximately 2-2 hours in order to drive out any transport media from ...
02/15/1994
5246728Scratch-resistant coating and method of making coated lenses
Plastic ophthalmic lenses are coated with a spin-coating process. A coating solution containing at least ninety percent tri- and tetra-acrylates in a butanol solvent is spin-coated onto the surface of a plastic lens. After drying, the coating is exposed t...
09/21/1993
5246499Apparatus for applying scratch-resistant coatings to plastic ophthalmic lenses
Plastic ophthalmic lenses are coated with a scratch-resistant coating using a spin coating process. The lenses are separated from lens mold pieces, and the lenses are routed through a coating system where the lens coating in applied. A conveyor moves the ...
09/21/1993
5164228Method of applying scratch-resistant coatings to plastic ophthalmic lenses
Plastic ophthalmic lenses are coated with a scratch-resistant coating using a spin coating process. The lenses are separated from lens mold pieces, and the lenses are routed through a coating system where the lens coating is applied. A conveyor moves the ...
11/17/1992
 
Sign InRegister
Username  
Password   
forgot password?