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Great energy conservation, wide adjustment range, low noise and little dust
Good appearance, excellent sealing, no dust pollution or leakage,few easy-wearing parts
1.5 times or even 2 times larger crushing cavity than that of other crushers, large feeding mouth
Stable performance, little noise pollution , low acicular content, no crackings inside, little wear and long service life
With features of reliable structure, high working efficiency and easy adjustment
VSI sand maker, also called VSI crusher, is the major machine for sand making plant.
Ball mill is the key machine to grind the crushed materials. Ball mill machine is widely used to process cement, silicate product, building material, refractory material, fertilizer, ceramics and glass, etc.
On the basis of domestic mills, fote raymond mill is produced. The raymond roller mill enjoys the features of high working efficiency, low energy consumption, small floor space and small cost.
As a famous Chinese sand dryer supplier and manufacturer, our company has manufactured a lot of advanced sand dryers with quite a reasonable drying machine price in the dryer market.
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Apr 04 1972nbsp018332us patentsapps other search research mpep 20 tools amp resources acclaim ip help title portable ore classifiers and conditioners united states patent 3653505 abstract this invention is designed as an improvement over the ore classifier disclosed in prior us pat no 2992740 and employs a portable supporting structure upon which a
Jun 11 1974nbsp0183324 the gravity ore classifier of claim 3 wherein said casing is tilted down from the inlet to the outlet end 5 the gravity ore classifier of claim 3 wherein the perforate portion of said scrubber barrel is smaller in diameter than its imperforate portion to provide an enlarged separating space between such imperforate portion and the casing 6
Good starting point for examining the crossclassification of bioinformatics patents an alternative approach to expand a patent search beyond pure keywords is to include classification information and to use a definition of bioinformatics patents based on several patent subclasses in which bioinformatics patents are expected to be clustered
By assigning to 1 for relevant patents and to 0 for nonrelevan t patents 1100 patents turned out to be relevant w hen we set the filtering thresh old to 42 at this threshold we obtained
Us patent for method of treating silicate ore containing a silicate ore containing gold and silver is melted with the slag from a copper converter and a reducing agent a source of cao may also be added to the slag so that the treated slag may contain at least 3 0 by weight of cao copper is recovered from the slag and absorbs gold and silver from the ore this method drastically improves the
An improved method for extracting copper from copper minerals by heap leaching with dilute sulfuric acid which comprises agglomerating the copper mineral fines prior to their being formed into an heap with an agglomerating agent comprising an anionic acrylamide polymer which contains at least 5 mole percent of carboxylate or sulfonate groups and has a molecular weight of least 100000
Index to the us patent classification what follows is part of the index to the us manual of classifications for patents as you scroll through the list and encounter a classsubclass of interest you can jump back to the top and retreive patent titles by entering the classsubclass in the box below
201954 183 cement powder here conditioned in bag is mixed with fine and coarse aggregates and water a cement is a binder a substance used for construction that sets hardens and adheres to other materials to bind them together cement is seldom used on its own but rather to bind sand and gravel aggregate together
Mar 15 2018nbsp018332the unit dose of cannabinoid in the oral pharmaceutical formulation may be in the range of from 0001 to 350 mg preferably 01 to 350 mg more preferably 1 to 250 mg for example it is envisaged that when in tablet or capsule unit dose form the amount of cannabinoid present may be 05 2 10 25 50 100 150 200 250 300 or 350 mg
The us classification is the oldest patent classification scheme still in use it was for a long time also the only one with regular sometimes bimonthly revisions and even more importantly those revisions were also applied retrospectively to the backfile even beyond the beginnings of the classification 1836 back to the very first us
The distinction between design and utility patents is the following in general terms a utility patent protects the way an article is used and works while a design patent protects the way an article looks us patent and trademark office manual of patent examining procedure mpep chapter 150201
Second the number of cited patents by the average epo patent application is less than 13 of the number of cited patents by the average us patent application see michel and bettels 2001 harhoff et al 2003 report that granted patent applications by german inventors in 1977 have been cited by 06 epo patents on average over 20 years
Full text of quotofficial gazette of the united states patent and trademark office microformquot see other formats
Looking at uspto patents citing uspto patents and german patents citing german patents 10 the epooecd patent citations database was re leased in 2004 based on citations received by ep o patent
Exploratory analytics is the process of analyzing data for the purpose of forming hypotheses patent data sets because they are relatively large and diverse and because they consist of a mixture of structured and unstructured information present a formidable challenge and a great opportunity in applying exploratory analytics techniques
Dec 29 2017nbsp018332taking patents in the solar cell field as an example a total of 3820 patents issued between 1997 and 2011 were collected from the united states patent and trademark office database we divided the examined time span into five 3year periods during which the technology dominators who are the major contributors of patents in a technological
Texts all books all texts latest this just in smithsonian libraries fedlink us genealogy lincoln collection national emergency library top american libraries canadian libraries universal library community texts project gutenberg biodiversity heritage library childrens library full text of quotuspto patents application 09300881quot
Mailing and hand carry addresses for mail to the united states patent and trademark office reference collections of us patents available for public use in patent and trademark resource centers patent technology centers copies of patents are furnished by the patent and trademark office at 300 each plant patents in color 1500 each copies of trademarks
Ep fulltext search enables you to search european patent applications a documents and granted patents b documents and monitor new publications as they appear it features advanced search capabilities including fulltext searching the interface is available in english french and german
Home us patent 4 543 061 air cooled rotary kiln feed end dam copper ore processing equipment capacity0187 m 179min suitable materialscopper zinc lead nickel gold and other nonferrous metals ferrous and nonmetal spiral classifier for iron ore in south africa
The results showed that there exist significant differences among five types of patents based on the uspc reclassification patents reclassified to class 001 classification undetermined patents
The complete dataset contains 6223 us and nonus patents and includes information on patent claims assigned ipc codes the nationality of the patent holder forward and backward citations and references to the nonpatent literature for each patent summary statistics for the patents in our sample are given in table 1 the patents have on
Us patent 4 237 001 ore classifier patents com how to get round shape aggregate from vsi crusher rice milling machine rice polisher manufacturer supplier mining industry in america 1800s daftar harga rahang crusher pe x 750 recycling center that pays segregation per pound vista
Espacenet patent search jpo classification system file index fi and fterms nice agreement 104001 implements 104002 adhesive lint remover 104011 cylinder piston or plug cleaner united states patent and trademark office united states patent and
The us patent and trademark office pto offers worldwide web web access to bibliographic and fulltext patent databases