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: Heitbrink, Tim


Primary examiner statistics: 1741 patents; average approval time: 1739 days
Assistant examiner statistics: 486 patents; average approval time: 616 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
8167609 Mold-tool system having a melt-splitting device including uninter...
8062025 Injection molding apparatus having a rotating vane
8017063 Molds and methods for injection molding preforms
8007271 Injection nozzle, in particular hot-runner nozzle, for arrangemen...
8007708 Apparatus and methods for automating movement of mold drawers
8002533 Injection molding machine for lost core technology
7993128 Screw and injection apparatus
7988446 Mold assembly
7988445 Injection molding apparatus having a nozzle tip component for tak...
7981350 Method and apparatus for injection molding having an inductive co...
7972131 Plastification and injection unit with back-flow barrier
7972132 Injection molding valve gated hot runner nozzle
7963762 Injection molding apparatus having a valve pin coupling
7963761 Injection molding apparatus for high-gloss products
7959425 Injection molding machine having an electrical discharge system
7955071 Apparatus for injection molding
7955070 Device for moulding parts of a plastic material
7955068 Injection molding machine
7950918 Apparatus for controlling melt flow in a melt distribution networ...
7950915 Plastics injection molding machine with injection force measuring...
7942663 Injection molding valve gate system and activating mechanism
7942659 Injection drive apparatus for injection molding machine
7942664 Injection nozzle plugging rod
7938638 Mould for the injection-moulding a component comprising two porti...
7934923 Screw, injection apparatus, and pressure member
7934918 Injection molding tool with closable hot channel nozzle
7931455 Injection molding apparatus having magnetic valve pin coupling
7922472 Mold for use in injection molding process
7922479 Modular injection molding hot runner system
7918663 Injection molding nozzle wedge seal
7918660 Injection molding actuator position sensing
7914278 Internally heated nozzle adapter
7914277 Heater housing and heater for plastic injection machine nozzle
7909598 Hot runner nozzle for an injection molding device
7909599 Injection nozzle for guiding hot-melt plastic within a mold
7896644 Nozzle assembly for an injector
7891969 Injection molding nozzle
7883333 Valve gate
7878784 Injection molding machine
7874833 Injection molding runner apparatus having pressure seal

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
5028227 Injection molding nozzle with replaceable gate insert
5022846 Pneumatic actuating mechanism for injection molding
4979892 Injection molding nozzle with self-supporting actuating mechanism
4971548 Injection molding halves for disks
4966544 Injection mold having cooling fins
4964795 Manifold assembly for plastic injection molding
4963086 Reheat blow molding machine for forming articles from preforms
4963087 Expansion injection molding die
4959002 Inserts for injection mold machine
4959007 Insert-type rotary core mold apparatus
4955804 Tool for molding plastic articles
4954073 Apparatus for high frequency molding of liquid plastic material
4954074 Injection bladder press
4954072 Electrically heated pin-point gate
4952131 Metal mold exchanging apparatus for use in injection molding mach...
4952257 Lamination repair method
4950154 Combination injection mold and sprue bushing
4950146 Motor control device for electric injection molding machine
4950151 Rolling die for producing high modulus products
4950145 Apparatus for molding chocolate
4950143 Injection mold manifold arrangement
4948358 Die clamping apparatus
4946358 Mold mounting apparatus
4944666 Injector head for producing tread strips
4944668 Device for gripping and pulling softened plastic sheet at front a...
4943341 Device with contrarotating knives for severing filter cigarette u...
4941814 Vacuum forming apparatus
4938682 Toggle type mold clamping apparatus in an injection molding machi...
4938681 Injection molding system having offset valve pin biasing mechanis...
4932858 Injection molding system having dual feed bushing seated in manif...
4932854 Apparatus for control of injection molding machine
4931009 Injection molding system having a thermal locating flange
4929170 Ejector blade
4925384 Apparatus for admitting hardenable material into the dies of mold...
4923388 Injection metal mold
4923387 Injection molding system having a valve member with a ribbed insu...
4921708 Injection molding nozzle having circumferentially spaced conducti...
4921417 Molding apparatus for molding a clay pigeon
4921416 Injection molding machine having a system for detecting a nozzle ...
4919606 Injection molding rack and pinion valve pin actuating mechanism
 
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