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

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Examiner: Reifsnyder, David A.


Primary examiner statistics: 813 patents; average approval time: 814 days
Assistant examiner statistics: 277 patents; average approval time: 608 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
8012357 Magnetic field and field gradient enhanced centrifugation solid-l...
7452425 Corn refining process
7445123 Ceramic filter with a ceramic filter core cleaning device
7442315 Separation device comprising a separation channel and a counter-c...
7435343 Vibration filter
7429327 Clarifying tank
7429331 Apparatus and process for inducing magnetism
7427352 Fluid purifier having magnetic field generation
7427351 Water preconditioning system
7427353 System for enhancing oxygen
7422709 Electromagnetic rheological (EMR) fluid and method for using the ...
7413652 Method for the production of a blood component composition
7413665 Methods and apparatus for blood component separation
7413669 Separator for liquids and/or multiphase fluids
7410573 Waste water purification apparatus and waste water purification m...
7407589 Method and apparatus for preventing scale deposits and removing c...
7399412 Guide means for centrifugal force separators, especially cyclone ...
7396451 Methods and apparatus for blood component separation
7396460 Filter element
RE40407 Method and apparatus for mixing fluids
7390405 Magnetic device adapted for various engine oil filtering apparatu...
7384559 Device and method for treating magnetic particles
7384561 Apparatus and method for separating magnetic particles
7384560 Method for reducing the size of metallic compound particles
7374692 Treatment of ballast water
7374678 Apparatus and method for separating and concentrating fluids cont...
7371320 Magnetic separation unit and water purification system
7371330 Particle sedimentation apparatus and method for performing partic...
7371327 Device for the immobilization of nano- and micro-sized particles ...
7357862 Fluid conditioning system and method
7357859 Methods and systems for membrane testing
7357825 Cyclonic fluid separator with vortex generator in inlet section
7357872 Lift station and method
7351341 Descaling method and descaling apparatus
7351337 Magnetic fuel conditioning apparatus
7347932 Apparatus and method for separating a volume of composite liquid ...
7347939 Adjustable contaminated liquid mixing apparatus
7347944 Method for making and conditioning super-oxygenated and structure...
7344636 Separator
7344646 Apparatus for magnetic treatment of a liquid and associated metho...

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
5562823 Combination centrifugal and sonic device for separating component...
5543063 Method for recovering produce wash treatment effluent
5534162 Method for disposal of biological waste
5531904 Gas sparging method for removing volatile contaminants from liqui...
5529701 Method and apparatus for optimizing gas-liquid interfacial contac...
5527475 Method for determining the parameters of a gas-liquid contact app...
5525240 Adaptively controlled centrifugation method
5520818 Method for effecting gas-liquid contact
5518616 Plant for the separation at high temperature of contaminants of v...
5518617 Gravity clarifier
5510029 Filter cover assembly with dual concentric liquid passages
5507947 Centrifugal apparatus for separating particulate material
5501803 Method and apparatus for separating particles from a base liquid
5500130 Method for effecting gas-liquid contact
5500134 Microfiltration system with swirling flow around filter medium
5500117 Cyclone-turbines, intended especially for flotation systems desig...
5500135 Method for effecting gas-liquid contact
5494579 Continuous decanter for processing nuclear products
5490928 Tandem waterwheel trommel
5491010 Container with a label adhered to the container
5489381 Extruder apparatus for separating solids from fluids
5489385 Drip chamber and/or expansion chamber with integral filter
5486381 Liquid saturation process
5482626 Analytical liquid test sample filtration apparatus
5480541 Extruder apparatus for isolating solids from fluids
5480546 Rotating screen drum with a stainless lining
5480566 Method for releasing and separating oil from oil sands
5478484 Apparatus and method including a hydrocyclone separator in combin...
5474686 Sludge treating process and apparatus
5472620 Solid-liquid separation process using at least one polymer and ...
5470465 Vortex system for separating particles from a liquid stream
5470489 Method and inlet device for charging shallow grit chambers or set...
5468396 Centrifugal cleaning of pulp and paper process liquids
5468389 Double-acting pusher centrifuge
5466372 Cyclone including an inlet diffuser tube
5466379 Method of removing oil and oil like environmental contaminants fr...
5466370 Apparatus for isolating solids from fluids
5466384 Device and process for carrying out phase separation by filtratio...
5464495 Method and apparatus for applying labels to containers and contai...
5464536 Apparatus for centrifugally separating a fluid mixture into its ...
 
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