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 (69 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: Refiner plate groove configuration. Beloit Corporation, Dirk J Veneman, Raymond W Campbell, September 10, 1991: US05046672 (8 worldwide citation)

A refiner plate for a pulp refiner in which a sub-groove is provided in the refiner grooves, the sub-groove extending inwardly in the plate from the bottom of the refiner groove. The refiner plate is useful for shortening long fibers in a pulp slurry without treating short fibers present in the slur ...


4
David E Chupka, Christopher L Demler: Extraction bedplate with laser or water jet cut apertures. Kadant Black Clawson, Wegman Hessler & Vanderburg, December 8, 2009: US07628890 (4 worldwide citation)

The present invention relates to extraction bedplates (10), (110), (210), (310), (410), (510), (610) for use in apparatus (5) for defiberizing paper making stock and methods for making such bedplates. Preferred methods for making such bedplates (10), (110), (210), (310), (410), (510), (610) include ...


5
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 ...


6
David E Chupka, Christopher L Demler: Extraction bedplate with laser or water jet cut apertures. Kadant Black Clawson, Wegman Hessler & Vanderberg, May 8, 2012: US08172985

The present invention relates to extraction bedplates 10, 110, 210, 310, 410, 510, 610 for use in apparatus 5 for defiberizing paper making stock and methods for making such bedplates. Preferred methods for making such bedplates 10, 110, 210, 310, 410, 510, 610 include the step of cutting a disc sha ...


7
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 ...


8
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 ...


9
David E Chupka, Christopher L Demler: Extraction bedplate with laser or water jet cut apertures. Wegman Hessler & Vanderburg, February 24, 2005: US20050039615-A1

The present invention relates to extraction bedplates (10), (110), (210), (310), (410), (510), (610) for use in apparatus (5) for defiberizing paper making stock and methods for making such bedplates. Preferred methods for making such bedplates (10), (110), (210), (310), (410), (510), (610) include ...


10
John J Egan, Christopher L Demler: Paper pulp refiner control system and method using active hydrostatic bearings. Bruce E Peacock Esq, Wegman Hessler & Vanderburg, November 6, 2003: US20030205634-A1

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 ...



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