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

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Examiner: Redding, David A.


Primary examiner statistics: 1110 patents; average approval time: 1109 days
Assistant examiner statistics: 174 patents; average approval time: 710 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
7805802 Floor cleaning machine debris collection system
7458131 Method for determining frequency of power brush in vacuum cleaner
7454812 Tube cleaning tool
7448113 Autonomous floor cleaning robot
7448112 Chalk-dust collecting apparatus for blackboard eraser
7444712 Vacuum cleaner
7444711 Disinfecting device utilizing ultraviolet radiation with heat dis...
7444710 Portable vacuum system for use with portable child safety seat
7441303 Pavement/surface sweeper having a simplified hydraulic system
7437799 Cleaner head for a vacuum cleaner
7437797 Duster brush assembly for vacuum cleaners
7437796 Backpack having a reservoir
7437798 Air reflux assembly of the vacuum cleaner
7434293 Vacuum cleaner
7430782 Floor cleaning machine, particularly for industrial applications
7428767 Sweeper including floating brush or drum assembly
7427497 In vitro metabolic engineering on microscale devices
7424767 Street sweeper with litter hose
7421760 Vacuum system
7421758 Upright vacuum cleaner with swing brush
7418763 Hand vacuum with filter indicator
7418762 Self-propelled cleaning device and charger using the same
7415748 Vacuum implement for use with a skid steer
7412742 Paint applicator
7412747 Means for collecting garden waste
7412750 Floorcloth attached suction brush for vacuum cleaner
7413890 Methods for anaerobic bioremediation using solid-chemical composi...
7409742 Suction nozzle for a vacuum cleaner
7409744 Dust collecting unit of vacuum cleaner
7409745 Cleaning pad for vacuum cleaner
7406740 Dusting and cleaning device
7401377 Battery-operated toothbrush and related methods
7392566 Cleaning machine for cleaning a surface
7390648 Microelectromechanical devices useful for manipulating cells or e...
7389563 Cleaning device with pivoting tank
7386914 Drywall edge shaping tool
7386911 Apparatus for dislodging and removing contaminants from a surface...
7386915 Dual motor upright vacuum cleaner
7386916 Self-cleaning vacuum cleaner and receptacle therefor
7386907 Cleaning sheet

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
5405580 Self-contained biological indicators
5378635 Method of measuring a catecholamine and its metabolite
5378433 Sample tube rack and adapter
5374397 Device for measurement of no contents
5374401 Blood sampling apparatus
5366895 Method for lysing liposomes using polyethyleneglycol monononylphe...
5322795 HPLC assay for the selective resolution of recombinant proteins
5322798 Method for carrying out surface plasmon resonance measurement and...
5320968 Method for detecting lipoprotein (a) and associated cholesterol
5318750 Device for the preparation of a solution for medical use
5314824 Method of setting up a flow cytometer
5314827 Isotopic composition analyzer
5308774 Liquid chromatographic method and apparatus for analyzing biologi...
5306781 Carboxylic acid modified polyethylene membrane activated by a lin...
5304497 Method of forming N-protected amino acid thiohydantoins
5302348 Blood coagulation time test apparatus and method
5300442 Method and device for measuring chlorine concentrations with enha...
5300441 Method for measuring and determining nitrogen content in a sample...
5300439 Method, device, and composition for the assay of ions
5296193 Combined titration apparatus
5296346 Method for determining lipid bound sialic acid in plasma
5294403 Kit for the determination of bilirubin in urine
5290519 Test for the rapid evaluation of ischemic states and kit
5288678 Indirect potentiometric method and diluent for analysis of lithiu...
5288644 Instrument and method for the sequencing of genome
5283196 Polyacrylamide gels with improved detection of protein
5281396 Automated test system for evaluating the physical compatibility o...
5279970 Carbon particulate monitor with preseparator
5270216 Measurement of low phosphonate concentrations
5270213 Protein sequencing
5264182 Sample and reagent delivery device with a probe and probe support...
5260219 Method of determining nitrogen balance and fat loss for persons i...
5258315 Process and composition for the removal of turbidity from biologi...
5258311 Lithium salts as red blood cell lysing and hemoglobin denaturing ...
5258310 Method of diagnosing aged degradation of oil-filled electrical eq...
5256376 Agglutination detection apparatus
5254475 Sequential C-terminal degradation of peptides and proteins
5254476 Method and system for analysis of peptides and proteins
5252488 Circular dichroism and spectrophotometric absorption detection me...
5250259 Chemiluminescent detector
 
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