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

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Examiner: Butler, Douglas C.


Primary examiner statistics: 3453 patents; average approval time: 655 days
Assistant examiner statistics: 337 patents; average approval time: 524 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
7195234 Adjustable gas spring suspension system
7156215 Quick change shock absorber
7118099 Selfpumping hydropneumatic spring strut with internal level contr...
7077249 Drum brakes with interconnected multi-degrees-of-freedom shoes
7040722 Method of estimating the risk of a vehicle overturning
7021609 Gas spring
7014178 Hydraulically damping bush bearing
7011379 Control circuit for a controlled electro-magnetic valve of an aut...
6988718 Spring strut, optionally with internal level regulation
6984002 Brake hydraulic pressure generator
6984001 Power supply network for brake system
6978866 Wheel bearing with brake disk
6976564 Quick change shock absorber
6974002 Adjustable shock absorber
6974000 System and method for limiting vibration in an apparatus during a...
6971723 Graduated release/proportioning valve
6971488 Simplified truck mounted brake system
6971726 Automatic stability control system for a vehicle using an invaria...
6971489 Removable motor brake for use with vehicle slide out
6968926 Actuating assembly for a bicycle control device
6969053 Strut mount
6968931 Shock absorber with guiding system
6969128 Hydraulic brake device
6966614 Architecture for a hydraulic circuit
6966616 Hydraulic brake apparatus for a vehicle
6964461 Brake control apparatus
6964411 Column unit
6964460 Brake controller and method for controlling a brake system
6962330 Vibration damper
6962241 Brake cable connecting apparatus for a drum brake device
6962244 Brake mechanism and a method of controlling force amplification
6959794 Low power parking brake force adjustment apparatus and method for...
6959968 Central electronic control network for vehicle dynamics and ride ...
6959791 Motor-driven disk brake
6959969 System and method for controlling a brake
6959789 Wheel bearing assembly
6959922 Transmission mount structure for vehicles
6957727 Impact absorber for vehicle
6957726 Floating brake rotor assembly with non-load bearing pins
6957806 Airspring assembly

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
4147393 Drawer slide mount employing a slide element and cooperative clip
4141607 Extreme temperature rolling contact ball bearings
4139242 Linear motion ball bearing
4139103 Mine car coupling including safety mechanism
4139244 Journal bearing film control system
4139245 Vibration damping in machine element bearings
4139246 Vibration control bush assembly and method of making the same
4138170 Cageless ball or roller bearing
4138167 Rolling bearing including lengthwise convex race rails
4138168 Axial securing assembly for roller or ball bearings
4138166 Slide-articulation bearing, in particular for tiltable converters
4138169 Two row rolling bearing assembly having single piece inner ring a...
4136787 Elastic hinge of a central buffer coupling for rail cars
4136916 Unitized single row tapered roller bearing
4135770 Die set leader pin
4135772 Bearing block for boring turbine
4135773 Snap-fitting
4135771 Spherical end bearing having two or more zones of hydrodynamicall...
4133588 Ball separator for ball bearing
4133585 Resilient foil journal bearing
4133586 Axial slide bearing
4132452 Slide-articulation bearing, in particular for tiltable converters
4130325 Thrust plate for the bearing pins of a trunnion in a universal jo...
4130312 Sectioned breakable vehicular safety bumper
4130324 Seal means for a self-aligning bearing
4130322 Single gain skid control valve and skid control system
4129340 Control device for a pneumatic braking system
4129343 Unitary self-aligning bearing assembly
4129344 Bearing race ring with lubricant and cooling channels
4129345 Bearing assembly for a motor vehicle wheel
4128279 Linear motion ball bearings
4128178 Rotary type railway car coupler
4128281 Auxiliary axial thrust bearing apparatus
4128278 Linear motion ball bearing with dynamic stiffness
4127310 Shaft bearing and seal with self-lubricating sleeve bearing
4127309 Unlimited sliding ball spline assembly
4126361 Large antifriction bearing composed of segments
4125297 Universal drawer slider
4124258 Bearing ring fastening assembly
4123121 Ball bearing assembly with plurality of ball guideways
 
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