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: Bennett, Henry


Primary examiner statistics: 6104 patents; average approval time: 6102 days
Assistant examiner statistics: 260 patents; average approval time: 913 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
7556086 Orientation-independent thermosyphon heat spreader
7347203 Heat and moisture filter exchanger and method
RE39966 Apparatus and method for generating pressure changes in a mammali...
7282043 Trocar seal system
7263999 Ring for preventing prolapse of uterus and urinary bladder and ri...
7263956 Valve lifter assembly for selectively deactivating a cylinder
7258676 Device and method for low pressure compression and valve for use ...
7243648 Thermal drop generator
7234467 Occlusal splint
7234466 Forehead support for facial mask
7217853 Composition for cushions, wound dressings and other skin-contacti...
7216650 Handcuffing assisting apparatus and method
7211060 Ultrasound bandages
7207993 Apparatus and method for repairing the femur
7207332 Apparatus for administering a gas to a person or an animal
7204840 Deep organ access device and method
7204252 Surface energy assisted fluid transport system
7204249 Oxygen conserving device utilizing a radial multi-stage compresso...
7201751 Supplemental spine fixation device
7201164 Aerosol medication delivery apparatus with narrow orifice
7195640 Coated medical devices for the treatment of vulnerable plaque
7195015 Breathing apparatus
7194773 Toilet tool
7195014 Portable continuous positive airway pressure system
7192410 Orthopedic rehabilitation mechanism
7191777 Medicament dispenser
7189214 Multi-axis cervical and lumbar traction table
7188625 Ocular surgical protective shield
7186244 Portable wound treatment apparatus
7185653 Disposable mask for dust protection
7185649 Systems and methods for increasing cerebral spinal fluid flow
7183455 Adhesive dressing
7179241 Protective sling
7179065 Linear compressor
7178528 Headgear for noninvasive ventilation interface
7178523 Water and oxygen bottle
7178522 Agents and N2O detection apparatus
7178526 Quick-donning full face oxygen mask with inflatable harness and s...
7176343 Scab protecting bandage
7174895 Device and method for improving a user's breathing

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
4513584 Method and apparatus for absorption refrigeration
4498455 Glazing material
4481788 Water heating system
4480786 Humidifier, vaporizer and room freshener
4480446 Method and apparatus for rehabilitating refrigerant
4479605 Heating system
4478210 Solar heating system
4476921 Insulating air sheath for buildings and the like
4476851 Windmill energy system
4477020 Ventilating and heating apparatus and heat-sensitive unit
4477021 Method and apparatus for a regulated heat transfer from a primary...
4476679 Civil engineering and construction machinery with hydraulic drive...
4475687 Device for heating and ventilating large-area vehicles
4475359 Air conditioning apparatus
4474029 Hot gas defrost pan and system
4474017 Method of assembling an anti-sweat heater in a refrigerator cabin...
4474325 Control circuit for heating system
4473060 Energy efficient heating system
4473351 Vertical feed stick wood fuel burning furnace system
4471907 Venturi pressurizer for incompressible-liquid circulating systems
4471754 Vehicle heater
4471633 Condensing unit
4470265 Refrigerant charging system
4469276 Heat recovery apparatus
4467959 Heat exchanger and vaporizer for a stove flue
4467614 Method and apparatus for removing condensate and oil particles fr...
4467958 Solar-heating system
4466255 Cooling system for electronic assembly
4466256 Ground-installed coldness storage and utilization system
4466568 Combustion type heater for automotive room heating system
4462541 Constant temperature control for a vehicle compartment heater or ...
4462391 Radiation receiver
4462216 Non-freeze drain assembly
4461157 Ground water heat pump system for low yield well
4459826 Refrigerator
4459814 Thermal energy compression system for heat pumps
4459822 Cooling suit system and heat exchanger construction
4458633 Flameless nitrogen skid unit
4457295 Warming garment for heating people
4456172 Method of and apparatus for the degasification of circulation sys...
 
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