"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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 |
| 7787943 | Heart rate monitor for swimmers There provided a heart rate monitor that includes a pair of electrodes, a program control panel having a power supply, a vibration feedback module for advising the user when predetermined heart rates have been reached, and a data retrieval member. The electrodes are... | 08/31/2010 |
| 7691091 | Cover for a urine drainage bag A urine drainage bag cover covers and hides the contents of a urine drainage bag, but is easily manipulated, so that the fluid level in the urine drainage bag may be easily ascertained by attendants. ... | 04/06/2010 |
| 7644475 | Cable tie There is provided an improved cable tie made of integrally molded thermoplastic material that includes a head, a strap that has a near end, a tail end, and an elongated body portion between the near end and the tail end. The strap includes a gripping surface formed ... | 01/12/2010 |
| 7563254 | Universal percutaneous endoscopic gastrostomy tube A universal percutaneous endoscopic gastrostomy (PEG) tube that may be used with either the push or the pull insertion method. A loop extends from the tube. A void is formed in the tube at or near the proximal end of the tube. The void communicates with the internal... | 07/21/2009 |
| 7530357 | Smoking enclosure A cigarette or cigar is contained within an enclosure. The enclosure comprises filters that reduce tar output to the surrounding atmosphere. The device has a mouthpiece that collects and introduces additional oxygen into smoke prior to the smoke being ingested by th... | 05/12/2009 |
| 7527655 | Reactive ink jet ink printing process An ink jet printing process in which an image is permanently bound, directly or indirectly, to a final substrate by reaction of the ink with the substrate. An ink jet ink is that is comprised of reactive dyes, direct dyes or combinations thereof are printed accordin... | 05/05/2009 |
| 7517585 | Tear indicator for tape Tape that visually indicates a tear site of a section of tape from a longer length of tape and that visually distinguishes the tear site from the remainder of the length of tape, so that the end of the roll can be readily identified. The tear site becomes visible up... | 04/14/2009 |
| 7513126 | Outdoor cooling device A cooling device has a series of baffles that deflect a falling stream of liquid coolant. An air handler, such as a fan, pulls air through the liquid coolant. The air moved by the air handler through the liquid coolant is cooled, and the cooled air exits the device ... | 04/07/2009 |
| 7159590 | Trachea tube with germicidal light source A tube for insertion into a trachea having a germicidal light source that is positioned above a cuff that holds the tube in place in the trachea. Activation of the germicidal light source causes an radiation emission that kills undesired bacteria that is fostered by... | 01/09/2007 |
| 4302442 | Nail enamels Migration of suspended materials in nail enamels is prevented by the addition thereto of from about 0.10 to 5.0% by weight of a phosphatide such as lecithin. Settling and migration of suspended materials in nail enamels is prevented by the addition theret... | 11/24/1981 |
| 4302591 | Antihypertensive amines Iminobenzyl dihydropyridines of the formula ##STR1## wherein, each R is alkyl, alkenyl, alkynyl, cycloalkyl, aryl, aralkyl, sulfonamido, halogen, alkoxy, alkenyloxy, alkynyloxy, cyano, hydroxy, acyloxy, nitro, amino, alkylmercapto, alkylamino, alkano... | 11/24/1981 |
| 4294826 | Process for the preparation of highly purified antihemophilic factor An antihemophilic factor derived from human blood plasma, having about 1 to 10 units antihemophilic factor activity per mg of protein and being substantially free of denatured antihemophilic factor is prepared from material having 0.3 to 1.0 unit per mg o... | 10/13/1981 |
| 4287203 | Antihypertensive 1,4-thiazepine-ones, 1,4-thiazonine-ones, and method of use thereof Antihypertensive compounds of the structure ##STR1## wherein: n is an integer from 0 to 2 inclusive, R1, R2, R3, R4, R5, R6, and R7 are independently hydrogen, alkyl having from ... | 09/01/1981 |
| 4283541 | Pyridylacyl-hydroxamates Compounds of the formula ##STR1## wherein R1, R2 and R3 are independently hydrogen, lower alkyl, phenyl or phenyl-lower alkyl, n is an integer from 1 to 5, and m is an integer from 2 to 5 have antiarrhythmic activity.... | 08/11/1981 |
| 4276292 | Triazolobenzoxazin-4-ones New triazolobenzoxazinones are described as well as the use thereof as anti-allergenic agents.... | 06/30/1981 |
| 4274411 | Fluid operated ophthalmic irrigation and aspiration device A fluid operated and controlled irrigation and aspiration device for ophthalmic use. A source of fluid under pressure is connected through foot pedal operated valves to clamps for controlling irrigation through a conventional handpiece, and to a vacuum ge... | 06/23/1981 |
| 4259459 | Treatment of latex emulsifiers An improved polymerization emulsifier for use in the manufacture of synthetic rubber is prepared wherein a mixture of tall oil fatty acids and resin acids as found in crude or distilled tall oil is disproportionated to reduce the amount of abietic type ac... | 03/31/1981 |
| 4258042 | Antihypertensive pyridines and compositions Antihypertensive compounds of the formula ##STR1## wherein R5 is H, alkyl, aryl, halo, lower alkoxy, nitro amino, alkylmercapto, cyano, carboxy, carbalkoxy, sulfamyl, trifluoromethyl, hydroxy, acyloxy, methanesulfonyl, alkylamino or acylam... | 03/24/1981 |
| 4248706 | Two stage fluid bed regeneration of spent carbon Method and apparatus are disclosed for regenerating wet spent carbon containing volatile impurities wherein the wet spent carbon is dried in a drying zone utilizing incinerated reactivation zone gaseous effluent. The reactivation zone gaseous effluent is ... | 02/03/1981 |
| 4244728 | Cross-linked lignin gels Disclosed herein are cross-linked lignin gels which have been found useful as pesticide carriers in controlled release pesticide systems. The carrier is a highly reswellable cross-linked lignin gel prepared by reacting alkali lignin with from 1 mole to 10... | 01/13/1981 |
| 4244729 | Sustained release pesticide compositions and process for making same A sustained release composition is disclosed which provides an improved carrier for an organic pesticide. The improved carrier is a reversibly swellable lignin gel made by cross-linking an alkali lignin with epichlorohydrin using particular conditions.... | 01/13/1981 |
| 4221708 | Method for polymerization of lignin Disclosed herein is a process for polymerizing technical lignins, hardwood as well as softwood and sulfonated as well as unsulfonated. The process involves the sequential treatment of the lignin material with formaldehyde and air (or oxygen) to increase t... | 09/09/1980 |
| 4174576 | Adjustable profile finger setting jig A corrugating machine finger setting jig is disclosed having an adjustable profile surface to simulate the arcuate profile of a cooperative corrugating roll.... | 11/20/1979 |
| 4169756 | Apparatus for determining the surface abrasiveness of a paper machine web A method and apparatus is described for obtaining a quantitative indication of paper web abrasiveness as the web subject of the test is in transit through the production machine. Test specimens of thin, sheet metal shim stock are held in light bearing pre... | 10/02/1979 |
| 4164076 | Universal die mounting plate system A machine tool fixture with particular utility as a mounting and backing plate for a sheet cutting die is provided with a unique pattern of tool mounting slots universally adaptable to a wide range of die sizes and to any die tool in a capital inventory. ... | 08/14/1979 |
| 4152073 | Liquid and gas chlorine dioxide photometer The density of chlorine dioxide gas in a wet acid atmosphere may be continuously monitored with a photometer energized by a constant voltage incandescent light source illuminating a 0.5 inch thickness, continuous flow sample spaced between quartz glass wi... | 05/01/1979 |
| 4152202 | Method and apparatus for leveling the cross-direction profile of stock slurry on a paper machine The characteristic profile of a paper web is adjusted on the fourdrinier by means of a number of fluid spray stations positioned across the papermachine. Each spray station is provided with two or more fan spray nozzles of different flow capacity oriented... | 05/01/1979 |
| 4138073 | Reeled web unwind stand A continuous web converting machine is supplied with web material from a spider wheel unwind stand having a shiftable wheel axis. Movement of the spider wheel axis is regulated by a double acting fluid cylinder for controlled force application of the work... | 02/06/1979 |
| 4137690 | Apparatus for wrapping paper rolls Large mill reels of paper are protectively wrapped for shipment by a method which first caps the reel end-faces with a header disk having a diameter greater than the reel diameter. The flange of excess disk material is pleated and pressed into a band of a... | 02/06/1979 |
| 4129265 | Reeled web unwind stand A continuous web converting machine is supplied with web material from a spider wheel unwind stand having a shiftable wheel axis. Movement of the spider wheel axis is regulated by a double acting fluid cylinder for controlled force application of the work... | 12/12/1978 |
| 4126604 | Treatment of tall oil fatty acids A process is disclosed for treating tall oil fatty acids with a zinc catalyst and an iodine catalyst to improve the color and color stability of distilled products. The zinc catalyst is employed in an amount of from 0.01% to about 2.0% by weight of fatty ... | 11/21/1978 |
| 4119486 | Process for bleaching wood pulp with ozone in the presence of a cationic surfactant A wood pulp slurry, at a consistency of 0.1% to 10% by weight and having a pH ranging from 1 to 7, is bleached with ozone in the presence of 0.1% to 1.0% by weight of a cationic surfactant.... | 10/10/1978 |
| 4107084 | Process for activating carbonaceous material There is disclosed an improved process for activating carbon in a fluidized bed system which includes continuous activation at a temperature between 1,000° F. and 2,200° F. using a specific composition of fluidizing gases. The thermal energy required to... | 08/15/1978 |
| 4105462 | Non-crystallizing rosin Rosin can be rendered non-crystalline and maintain its characteristic chemical and physical properties by the addition of a hard rosin ester.... | 08/08/1978 |
| 4075188 | Recovery of crude tall oil There is disclosed a process for the recovery of fatty acids and rosin acids from tall oil soap by acidification of crude soap with carbon dioxide in the presence of a water-immiscible solvent.... | 02/21/1978 |
| 4069063 | Cement composition A portland cement product with or without added gypsum is described in which carbon dioxide gas has been homogeneously reacted with the cement slurry during the water-cement mixing. The use of carbon dioxide in an amount from 0.1% to 6.0% by weight of gro... | 01/17/1978 |
| 4066673 | Process for making quaternary amines of epichlorohydrin The preparation of a 1,2-epoxy propyl trialkylamine chloride in a methanol solution is disclosed. The products are useful for preparing cationic ethers in both aqueous and organic solvent solutions free of inorganic alkalis or salts.... | 01/03/1978 |
| 4063886 | Mercerizing compositions Disclosed herein is the mercerization of textiles with a composition comprising an aqueous caustic solution of mercerizing strength containing as a wetting agent at least 0.10% of a mixture of a nonionic surfactant and a polycarboxylic acid or salt thereo... | 12/20/1977 |
| 4032353 | Low porosity aggregate-containing cement composition and process for producing same Disclosed herein are low porosity aggregate-containing cement compositions comprising hydraulic cement containing substantially no calcium sulfate at least 0.1% alkali bicarbonate by weight based on dry ground cement, and at least 0.1% of a lignosulfonate... | 06/28/1977 |
| 4025303 | Dyestuff compositions containing modified sulfonated lignin dye dispersants Dyestuff composition for use in dyeing cotton fibers comprising a mixture of dye cakes of various colors, primarily direct or vat dyes, and sulfonated lignin dye dispersants having retarding properties. The dye dispersants of this invention are the reacti... | 05/24/1977 |