1
Paul S Putnam, Charles F Cowgill, Frank J Di Bella: Mechanized stand handling apparatus for drilling rigs. William H Maxwell, June 23, 1981: US04274778 (149 worldwide citation)

Apparatus for the handling of drill collar and pipe stands and comprised of a hydraulically mechanized "Derrickman" and "Derrick Floor Hand" and associated fingerboard lock bars and all of which are adapted to remote control in the placement of the stands in a derrick, both in alignment with the rot ...


2
Sven O Coomer: Orthotically dynamic footwear. William H Maxwell, December 15, 1981: US04305212 (119 worldwide citation)

A shoe incorporating dynamic Orthotic means which adapt to the foot in a prescribed manner, controlling heel "strike" and weight bearing loads, establishing a cup-shape to "catch" the heel and foot to stabilize it, balancing and maintaining the sub-talar joint in a neutral attitude and the mid-tarsa ...


3
David W Hooper: Annulus bypass peripheral nozzle jet pump pressure differential drilling tool and method for well drilling. William H Maxwell, December 23, 1986: US04630691 (112 worldwide citation)

A pressure differential drilling tool and method of underbalanced pressure controlled well bore drilling, characterized by a modulating plug closely expanded to the well bore diameter to form an annulus for external bypass of well fluid immediately above the drill bit and through which the drill str ...


4
Milton Meckler: Desiccant assisted air conditioner. William H Maxwell, December 19, 1989: US04887438 (94 worldwide citation)

A desiccant assisted air conditioning system for delivering dehumidified refrigerated supply air into a conditioned space and with return therefrom divided between recirculation air and exhaust-relief air employed to remove heat resulting from dehumification and employing waste heat from refrigerati ...


5
Varoujan H Hevoyan: Sanitary scheduling device for dispenser closures. Timothy L Chrisman, William H Maxwell, October 22, 1985: US04548157 (72 worldwide citation)

A time reminder device in a sanitary combination with a container for dispensing content in the form of pills or liquids, with or without a nipple projecting therethrough, and adjustable to a time index associated with a ring member snapped onto a cap or coupling and rotatably positioned by a detent ...


6
Harry D Dickinson: Hydraulic safety barrier traffic-way controller. William H Maxwell, December 25, 1984: US04490068 (67 worldwide citation)

A vehicle traffic-way controller of retractile barrier configuration wherein activation and control is by hydraulics in the form of a pressure source applied from a motor driven pump and directed by a valve to opposite ends of a double acting cylinder and piston actuator to extend and retract the ba ...


7
Harry D Dickinson: Bollard trafficway barrier and vehicle arrest system. William H Maxwell, March 18, 1986: US04576508 (66 worldwide citation)

A bollard type trafficway barrier for arresting vehicles, comprised of a cast in place foundation and a mounting frame replaceable therein to carry a lift means for the bollard that is directionally oriented with respect to traffic so as to withstand great impacts, and with access for replacement of ...


8
John D Chaffin: Earth boring apparatus for geological drilling and coring. William H Maxwell, July 18, 1978: US04100981 (65 worldwide citation)

Apparatus for concentric multi-string drilling with reverse air vacuum for the entrainment of chips and dust, selectively controlled through a plurality of annuli defined by the multiplicity of drill strings adapted to individually and/or cooperatively operate drill bits and reamers and the like to ...


9
Mark A Cherry: Catalytic-compression timed ignition. Altronic, William H Maxwell, May 5, 1992: US05109817 (63 worldwide citation)

A catalytic prereaction timing ignition method and igniter unit for timed ignition of a fuel-air mixture in internal combustion engines providing an ignition chamber open into the combustion chamber of the engine, there being a catalytic igniter positioned in the ignition chamber to intercept a pres ...


10
David W Hooper: Packer weighted and pressure differential method and apparatus for Big Hole drilling. Unique Oil Tools, William H Maxwell, August 13, 1985: US04534426 (58 worldwide citation)

A packer and pressure differential drilling tool and method of controlled pressure balanced drilling in Big Hole well bores and shafts, characterized by a large diameter packer slideably engaged with the well bore over a drill bit and through which a dual drill pipe operates and isolates drilling fl ...