Bizarre Patents
Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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.
| Number | Title | Issue Date |
| 7544643 | Viscosity enhancers for viscoelastic surfactant stimulation fluids Piezoelectric crystal particles (which include pyroelectric crystal particles) enhance the viscosity of aqueous fluids that have increased viscosity due to the presence of viscoelastic surfactants (VESs). In one non-limiting theory, when the fluid containing the vis... | 06/09/2009 |
| 7108066 | Variable density treatment fluids and methods of using such fluids in subterranean formations The present invention provides variable density fluid compositions and methods for using such compositions in a subterranean formation. One exemplary embodiment of the variable density fluid compositions of the present invention comprises a variable density fluid co... | 09/19/2006 |
| 7033975 | Use of surface-modified nanoparticles for oil recovery The present invention provides the use of surface-modified nanoparticles in fluids used to recover hydrocarbon from underground formations. The use of surface-modified nanoparticles in such fluids provides foams that are stable under pressure yet have a shorter foam... | 04/25/2006 |
| 7000701 | Compositions and methods for weighting a breaker coating for uniform distribution in a particulate pack The present invention involves methods and compositions for treating subterranean formations, and more specifically, relates to improved methods and compositions for degrading filter cake deposited in a subterranean formation by effecting a uniform distribution of a... | 02/21/2006 |
| 6968898 | System and method for removing particles from a well bore penetrating a possible producing formation A system and method for removing particles from a well bore penetrating a possible hydrocarbon producing formation, according to which drilling fluid is mixed with a weighted material, and the mixture is introduced into a well bore so that the mixture scours any par... | 11/29/2005 |
| 6787505 | Electrically conductive non-aqueous wellbore fluids A wellbore fluid having a non-aqueous continuous liquid phase that exhibits an electrical conductivity of not less than 10 μS m−1 at 1 kHz comprises a polar organic liquid (POL) which exhibits a dielectric constant of at least about 5.0 and a Hildebran... | 09/07/2004 |
| 6752208 | Methods of reducing proppant flowback Methods of reducing proppant flowback during production of fluids form subterranean formations are provided. Compressed sieves made from a shape memory material are introduced into hydraulic fracturing opera into hydraulic fractures in subterranean formations during... | 06/22/2004 |
| 6702022 | Method and device to reduce asphaltene and paraffin accumulations in wells An oil well capsule to reduce the paraffin and asphaltene which accumulate on the walls of the pipes which are used to bring the oil up from underground deposits, and a method of using the oil well capsule. An oil well capsule having a shell encapsulating... | 03/09/2004 |
| 6303544 | Modified cellulose products A modified cellulose product comprising cellulose ether, such as carboxymethyl cellulose, hydroxyethyl cellullose, carboxymethyl hydroxyethyl cellulose, methyl cellulose, hydroxyethyl methyl cellulose or ethyl hydroxyethyl cellulose, or xanthan gum produc... | 10/16/2001 |
| 6211120 | Application of aluminum chlorohydrate in viscosifying brine for carrying proppants in gravel packing New compositions have been discovered which are useful as slurry concentrates to carry solid particles along in a fluid. A non-limiting example would be to carry proppants in a concentrate to a completion fluid being pumped downhole in a hydrocarbon recov... | 04/03/2001 |
| 6180573 | Weight material for drilling fluids and method of creating and maintaining the desired weight Drilling fluid additives are designed to increase the density of drilling fluids while minimizing the increase in the resistance to flow of the drilling fluid. In particular, barite particles are added to the drilling fluid as a weight material where the ... | 01/30/2001 |
| 5563186 | Crosslinked alginate-based gels for matrix conformance A composition of matter for matrix conformance formed from an aqueous solution of an alginate polysaccharide and a method of forming an alginate polysaccharide gel. A Group IIA cation, Fe2+, Fe3+, Al3+, Mn2 +, Z... | 10/08/1996 |
| 4971709 | Method and composition for inhibiting corrosion of ferrous metals by aqueous brines A method of inhibiting corrosion of ferrous metals by zinc-containing brines by mixing with the brine a particulate metal additive, the metal of the additive having a standard oxidation-reduction potential above 0.5 and below 2.5 volts, the metal additive... | 11/20/1990 |
| 4830766 | Use of reducing agents to control scale deposition from high temperature brine The deposition of metal-containing scale, such as iron silicate scale, from a hot aqueous geothermal brine, or the like, is controlled by blending into the brine sufficient reducing agent effective for reducing trivalent iron and manganese cations in a hi... | 05/16/1989 |
| 4537684 | Control of metal-containing scale deposition from high temperature brine A method is disclosed for controlling the deposition of metal-containing scales, such as iron silicate scale, from a hot, aqueous, geothermal brine or the like, without substantial corrosion of brine handling equipment. The brine is contacted with (1) an ... | 08/27/1985 |
| 4519922 | Environmentally compatible high density drill mud or blow-out control fluid An environmentally compatible high density drilling or blow-out control fluid is provided wherein densities between twenty-four (24) and forty (40) pounds per gallon can be achieved. Such preferred fluid is aqueous based, uses a non-toxic gelling agent su... | 05/28/1985 |
