1
John J Egan III, Christopher L Demler: Integrated paper pulp and process machinery having integrated drive and control and methods of use thereof. Kadant Black Clawson, Wegman Hessler & Vanderburg, September 9, 2003: US06617720 (68 worldwide citation)

The invention pertains to equipment and methods in which the rotatable drive member of a variable speed motor, such as a switched reluctance motor, carries a rotatable pulp processing element (


2
John J Egan III, Christopher L Demler: Paper pulp refiner control system and method. Thermo Black Clawson, Biebel & French, September 7, 1999: US05947394 (12 worldwide citation)

A rotary paper pulp refiner system and method includes a rotor having one or more refining elements mounted on a rotating shaft and complimentary non-rotating or stator elements defining with the rotating element a refining gap or gaps through which the paper stock material passes, and which the rot ...


3
Christopher L Demler, John J Egan III: Self-aligning and actively compensating refiner stator plate system. Kadant Black Clawson, Wegman Hessler & Vanderburg, April 13, 2010: US07694902 (3 worldwide citation)

An improvement to a mechanical refining system relates to an apparatus including three or more actuators (100) coupled to a stator (42) of the refining system, and a controller for independently operating the actuators. An improved method of refining permits adjustment of the overall width of a refi ...


4
John J Egan III, James R Jamieson, David E Suica, Gary S Williamson: Screening apparatus with adjustable hydrofoil portion. The Black Clawson Company, Biebel & French, January 31, 1995: US05385240 (3 worldwide citation)

Apparatus for screening a papermaking pulp or stock suspension through a stationary cylindrical screen includes a rotating hydrofoil member which has a curved outer or camber surface portion mounted for rotation with the camber surface in a close but spaced proximity to the inside surface of the scr ...


5
John J Egan III: Centrifugal flow distribution clarifier feedwell and method of feeding influent to a clarifier thereby. Kadant Black Clawson, Wegman Hessler & Vanderburg, September 14, 2010: US07794609 (1 worldwide citation)

Apparatus and methods are provided for controlling influent feed to produce a substantially uniform flow to a clarifier tank (2) to thereby enhance the settling efficiency within the clarifier. The apparatus comprises a feedwell (24) having a roof (26) and continuous sidewall (28) that together defi ...


6
Gary S Williamson, John J Egan III: Composite screen. Thermo Black Clawson, Biebel & French, August 22, 2000: US06105788 (1 worldwide citation)

A papermakers' screen basket for pressure screening of papermaking stock or for pressure filtering is formed with a support core formed with honeycomb like cells that extend radially in the direction of flow through the screen basket, and a thin covering having screening openings therethrough is sup ...


7
John J Egan III, David E Suica: Variable pressure screening. Thermo Black Clawson, Biebel & French, February 19, 2002: US06348130 (1 worldwide citation)

Pressure type screening apparatus for screening papermakers' stock and method of use is disclosed. Screen (


8
John J Egan III, Christopher L Demler: Paper pulp refiner control system and method using active hydrostatic bearings. Kadant Black Clawson, Wegman Hessler & Vanderburg, January 24, 2006: US06989074

A paper pulp refiner with control system employs active hydrostatic bearings for supporting the refiner rotor, at least in part, the hydrostatic bearings are defined between the refiner rotor plates (25, 55) and stator plates (22, 60) through openings (40, 62, 85) formed in the stator plates for the ...


9
John J Egan Iii, Christopher L Demler: Paper pulp refiner control system and method. Thermo Black Clawson, he tengyun, November 22, 2000: CN98809984

A rotary paper pulp refiner system and method includes a rotor (15) having one or more refining elements (16, 17) mounted on a rotating shaft and complimentary non-rotating or stator elements (18, 19) defining with the rotating element a refining gap or gaps through which the paper stock material pa ...


10
Gary S Williamson, John J Egan Iii: Composite screen. Thermo Black Clawson, he tengyun, January 3, 2001: CN98811105

A papermakers' screen basket (20) for pressure screening of papermaking stock or for pressure filtering is formed with a support core (50) formed with honeycomb shaped cells that extend radially in the direction of flow through the screen basket (20), and a thin covering (25a) having screening openi ...



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