21 patents
Utility
Systems and methods for providing doctor blade holders with vibration mitigation
5 Dec 23
A self-compensating tube assembly is disclosed for use in a doctor blade holder.
Robert P. Johnson, David Leeman, Allen Brauns
Filed: 15 Apr 22
Utility
Slurry Cleaner Systems with Cleaner Dilution Devices and Methods of Cleaning Slurries Therewith
9 Nov 23
A cleaner system for removing solid debris and contaminants from a feed slurry includes a cleaner operable to separate a feed slurry into an accepted slurry and a reject slurry, the reject slurry including the solid debris and contaminants.
John J. Egan, III
Filed: 9 Nov 20
Utility
Rotor with Forward-swept Struts for Pressure Screen Cylinders
26 Oct 23
The present disclosure is directed to rotors for pressure screens with cylinders for screening solid contaminants from a solid slurry.
John Joseph Egan, III, Cameron Coale Demler
Filed: 20 Apr 23
Utility
Bio-composite Sustainable Doctor Blade
18 May 23
A wear element is disclosed for contacting a roll surface in a papermaking machine.
Dr. Michael Draper, Ka Lun To
Filed: 14 Nov 22
Utility
Clarifier with independent sump scraper drive
16 May 23
An improved clarifier tank having a rake arm assembly with one or more rake arms, a rake arm driveshaft operatively connected to the rake arms and a rake arm drive, and a sump scraper driveshaft, operatively connected to a plurality of sump scrapers and a sump scraper drive.
Paul J. Powers
Filed: 19 Oct 21
Utility
Rotary joint shroud having set-up gauge and seal wear indicator
7 Mar 23
A rotary joint for connecting a stationary body to a rotating body.
Isaac E. Romero, Alan T. Ives, Zachary S. Newland
Filed: 4 Nov 20
Utility
Wear composites including one or more metal layers
4 Oct 22
A wear element is disclosed that includes at least two layers of a structural material and at least one layer of a non-solid metal material, wherein the non-solid metal material includes a non-homogenous edge for contacting a roll surface.
Michael Draper, Royal Gauvin
Filed: 28 Mar 19
Utility
Ragger Systems and Methods for Removing Solid Debris from Pulping Processes
18 Aug 22
A ragger system for removing solid debris from a pulper vessel of a pulping system is disclosed.
Christopher Demler, Daniel Parenteau, Patrick McEnroe, Michael Lopane, Gary Scott Williamson
Filed: 11 Feb 22
Utility
Systems and Methods for Providing Doctor Blade Holders with Vibration Mitigation
4 Aug 22
A self-compensating tube assembly is disclosed for use in a doctor blade holder.
Robert P. JOHNSON, Daniel LEEMAN, Allen BRAUNS
Filed: 15 Apr 22
Utility
Clarifier with Independent Sump Scraper Drive
3 Mar 22
An improved clarifier tank having a rake arm assembly with one or more rake arms, a rake arm driveshaft operatively connected to the rake arms and a rake arm drive, and a sump scraper driveshaft, operatively connected to a plurality of sump scrapers and a sump scraper drive.
Paul J. Powers
Filed: 19 Oct 21
Utility
Clarifier with independent sump scraper drive
19 Oct 21
An improved clarifier tank having a rake arm assembly with one or more rake arms, a rake arm driveshaft operatively connected to the rake arms and a rake arm drive, and a sump scraper driveshaft, operatively connected to a plurality of sump scrapers and a sump scraper drive.
Paul J. Powers
Filed: 7 Jun 18
Utility
Doctor Blade with Polymeric Retention Means, Doctor Blade Holder Comprising Such a Doctor Blade and Method for Providing Retention Means on a Doctor Blade
14 Oct 21
A doctor blade is disclosed that includes a blade surface and at least one shaped feature that is formed of a polymeric material and is provided to assist in maintaining the doctor blade with a doctor blade holder.
Michael DRAPER, Kevin CALLUS, Robert LUCAS
Filed: 30 Aug 19
Utility
Disc Filters and Methods of Operating Disc Filters
23 Sep 21
Disclosed herein are disc filters for dewatering a fiber suspension.
Hugues Dionne
Filed: 9 Aug 19
Utility
Cleaning Head with Directional Nozzle Assembly and Shaped External Air Knife for Traversing Shower Systems
19 Aug 21
A cleaning head is disclosed for use in a traversing shower system.
Jan FRANSSON, Werner RASCHKA
Filed: 12 Feb 21
Utility
Rotary Joint Shroud Having Set-Up Gauge and Seal Wear Indicator
20 May 21
A rotary joint for connecting a stationary body to a rotating body.
Isaac E. Romero, Alan T. Ives, Zachary S. Newland
Filed: 4 Nov 20
Utility
Systems and methods for providing force vector compensated fan nozzles
24 Aug 20
A method is disclosed of facilitating the removal of contaminates from a belt in a papermaking system.
Peter Thuroe Carstensen
Filed: 27 Jun 18
Utility
Systems and methods for providing shaped vacuum ports for fluid extraction vacuum box covers in papermaking systems
27 Jul 20
A system is disclosed for removing fluids from a felt in a paper making process.
Peter Thuroe Carstensen
Filed: 27 Jun 18
Utility
Systems and methods for providing fluid extraction vacuum box covers with integral lubrication
27 Jul 20
A system is disclosed for removing fluids from a felt in a paper making process.
Peter Thuroe Carstensen
Filed: 27 Jun 18
Utility
Improved Clarifier with Independent Sump Scraper Drive
3 Jun 20
An improved clarifier tank having a rake arm assembly with one or more rake arms, a rake arm driveshaft operatively connected to the rake arms and a rake arm drive, and a sump scraper driveshaft, operatively connected to a plurality of sump scrapers and a sump scraper drive.
Paul J. Powers
Filed: 6 Jun 18
Utility
Locking seat pivot ball siphon elbow
30 Mar 20
A siphon elbow for pivotally connecting a first pipe and a second pipe in fluid communication.
Timothy N. Henry, Eugene F. Sibley
Filed: 25 May 17