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what is patent 4005174 reduce chloride from Zinc Sulfate

I've read about removing chlorine from zinc sulfate solution on an industrial scale This method has been implemented on an industrial scale? Where? What is the amount of copper lost on an industrial ...
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1answer
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What all can be accessed using Private PAIR?

Suppose I have a private pair account with uspto. Can I see patents filed today by other customers? Or It will show only patents that I have filed ?
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How do I find the patent application for OKCupid's Match algorithm?

OKCupid.com has filed for a patent, which is still pending on their matching algorithm. The "patent pending" claim is found here: https://www.okcupid.com/help/match-percentages The sentence reads, ...
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What is missing in todays patents search engines?

The patents search engines market is saturated with big players, there are many engines, each offers more or the same features. How would you describe the best patents search engine? what would you ...
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1answer
79 views

How can I check whether an idea has been patented by someone already?

For example, I want to patent "square shape wheel". How I can check this idea has been patented? Thanks
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Collect patents data for Russian Oil/Gas + Metallurgy companies

I am collecting database of Russian companies patents in Oil & Gas + Metallurgy sectors for my Thesis. I am measuring the impact of patents' quality to the financial performance of the firms. ...
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Online tool / database for finding entities by entering search keywords

I basically am trying to achieve a search for patents and/or entities (that own patents) containing some specific keywords. However, I would like to exclude a few entities from the search by using ...
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2answers
522 views

How many patents does Oracle Corporation own (including all acquired companies)?

How many patents does Oracle Corporation own (including all subsidiaries, like Sun Microsystems etc)? And is there any recent patenting policy, I was only able to find 1994th patent policy statement. ...
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How to get a patent or patent application permalink at the USPTO website?

I'd like to link to certain patents or patent applications filed with the USPTO. Google Patents makes this relatively straightforward, hosting patents & applications at this URL scheme: ...