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

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Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.

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Examiner: Wolk, Morris O.


Primary examiner statistics: 669 patents; average approval time: 650 days
Assistant examiner statistics: 0 patents; average approval time: N/A

Patents as Primary Examiner (view all)

Patent No. Patent Title:
4196169 System for disposing of radioactive waste
4190427 Plant care composition
4190428 Plant treating composition
4180543 Ammonia synthesis reactor having parallel feed to plural catalyst...
4179019 Apparatus for reclaiming used lubricating oils
4178238 Apparatus for processing low-grade aggregate ore
4169767 Process for calcining coke
4168675 Machine to prepare logs for log houses
4168292 Acylated hydroxyalkylaminoalkylamides and preparation thereof and...
4168208 Ascension pipe closure for coke oven batteries
4167484 Ozone generating apparatus
4166722 Pinned shaft and carbon black pelleter
4166096 Biohazard steam sterilizer
4165261 Apparatus for cleaning a coke oven door
4164541 Venturi mixer
4162926 Method of drying complex sugar solutions
4162944 Spotting method and apparatus for coke oven batteries
4160644 Platelet reference control and method of preparation
4160803 Self packaged test kit
4159305 Pier-supported refractory constriction element
4158699 Installation for the production of yellow phosphorus
4157940 Method for operating a battery of horizontal coke ovens
4158034 Sterilization method and apparatus for dialysis system
4156618 Process for separating ketoses and aldoses
4155975 Deodorant and method for deodorizing livestock manure
4150951 Measurement of concentrations of gaseous phase elements
4151045 Apparatus for charging inclined chamber coke oven
4149852 Thermochromic composition, method of making, and use
4148610 Batch preparation of samples by dilution
4147514 Test means and method for detecting ketone bodies
4147516 Oscillatory mechanisms
4147594 One-spot cylindrical coke quenching car and quenching method
4146570 Automatic steam sterilizer having air exhaust valve
4146434 Process for the desulfurization of petroleum coke
4146435 Dust collecting system for coke oven
4145258 Apparatus for preventing gas leakage from oven door of coke oven
4145256 Method and apparatus for producing a carbonaceous residue product
4145257 Discharge apparatus for inclined coke ovens
4144087 System for separating mill starch to obtain a protein-rich produc...
4144306 Element for analysis of liquids

Patents as Assistant Examiner

Patent No. Patent Title:
No patents.
 
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