Patents Assigned to Weyerhaeuser NR Company
  • FIBRILLATED BLEND OF LYOCELL AND CELLULOSIC LOW DP PULP
    Publication number: 20120285640
    Abstract: A fibrillated blend of lyocell and cellulosic pulp having a degree of polymerization of 200 to 1000 as measured by ASTM Test 1975-96, a method of making the blend and materials which incorporate the blend.
    Type: Application
    Filed: July 20, 2012
    Publication date: November 15, 2012
    Applicant: WEYERHAEUSER NR COMPANY
    Inventors: John A. Westland, Andrew J. Dodd, Mengkui Luo, Noriko Suzuki, S. Ananda Weerawarna
  • System and method for identifying trees using LiDAR tree models
    Patent number: 8306941
    Abstract: A computer system creates and stores a library of LiDAR models for standard trees that have measured characteristics. A point cloud of LiDAR data from an unidentified tree in a forest is compared against a point cloud defined by a LiDAR model of a standard tree in the library to find a match. If a match is found, one or more characteristics of the matching standard tree are associated with the unidentified tree.
    Type: Grant
    Filed: March 24, 2009
    Date of Patent: November 6, 2012
    Assignee: Weyerhaeuser NR Company
    Inventor: Zhenkui Ma
  • Method of making a fiber cement board with improved properties and the product
    Patent number: 8293003
    Abstract: A cement product incorporating nanocrystalline cellulose and cellulose fiber throughout the product and a method of making the product.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: October 23, 2012
    Assignee: Weyerhaeuser NR Company
    Inventors: Sherry L. Thomson, David J. O'Callaghan, John A. Westland, Bing Su
  • SYSTEM AND METHOD FOR FOREST MANAGEMENT USING STAND DEVELOPMENT PERFORMANCE AS MEASURED BY LAI
    Publication number: 20120253740
    Abstract: A system and method for identifying stands or portions thereof that are not growing as expected. In one embodiment, a computer system compares a measured leaf area index of a stand that is determined from remotely sensed data to an expected leaf area index. The computer system identifies stands or portions of stands where the measured leaf area index is greater than the expected leaf area index and/or stands or portions of stands where the measured leaf area index is less than the expected leaf area index. In one embodiment, the comparison is used to identify stands or portions thereof where silviculture treatments may be necessary.
    Type: Application
    Filed: March 30, 2011
    Publication date: October 4, 2012
    Applicant: WEYERHAEUSER NR COMPANY
    Inventor: Julio C. Rojas
  • FLOOR PANEL AND FLOORING DRAINAGE SYSTEM
    Publication number: 20120240500
    Abstract: The present disclosure is directed generally towards floor panels and flooring drainage systems utilizing two or more interconnected improved floor panels. In some embodiments, the disclosure includes a floor panel having a top surface, a bottom surface, a first longitudinal surface, a second longitudinal surface, a first transverse surface, and a second transverse surface. One or more drainage assemblies are located on either the first transverse surface and/or the second transverse surface. Each of the drainage assemblies include one or more drainage slots and one or more drainage notches. Further aspects are directed towards flooring drainage systems comprising two or more interconnected floor panels according to embodiments of the disclosure.
    Type: Application
    Filed: March 21, 2011
    Publication date: September 27, 2012
    Applicant: WEYERHAEUSER NR COMPANY
    Inventor: Travis E. Bjorkman
  • Nonwoven lyocell fiber webs for filtration
    Patent number: 8263506
    Abstract: Cellulose filtration products comprising nonwoven lyocell fiber webs in which the fibers have a diameter of from 3 to 12 microns, the largest pore diameter of less than about 300 microns and a mean flow pore diameter of less than about 150 microns are disclosed. Multilayer nonwoven lyocell fiber webs are also disclosed which have lower mean flow pore diameters and lower pore sizes.
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: September 11, 2012
    Assignee: Weyerhaeuser NR Company
    Inventor: Mengkui Luo
  • LOW Tg LIGNIN
    Publication number: 20120226029
    Abstract: Lignin has a weight average molecular weight of at least 6,000 daltons and comprising (a) from 2% to 10% of a low molecular component having a weight average molecular weight (MW) of from 300 to 1500 daltons, and (b) from 10% to 50% of a high molecular weight component having a weight average molecular weight (MW) of at least 10,000 daltons; and exhibiting a Tg of from 100° C. to 130° C. when measured by differential scanning calorimetry.
    Type: Application
    Filed: August 25, 2011
    Publication date: September 6, 2012
    Applicant: WEYERHAEUSER NR COMPANY
    Inventor: Angela P. Dodd
  • System and Method for Detecting Features on a Laminated Veneer Lumber Billet
    Publication number: 20120216939
    Abstract: The disclosure relates to systems and methods for detecting features on billets of laminated veneer lumber (LVL). In some embodiments, an LVL billet is provided and passed through a scanning assembly. The scanning assembly includes an x-ray generator and an x-ray detector. The x-ray generator generates a beam of x-ray radiation and the x-ray detector measures intensity of the beam of x-ray radiation after is passes through the LVL billet. The measured intensity is then processed to create an image. Images taken according to the disclosure may then be analyzed to detect features on the LVL billet.
    Type: Application
    Filed: May 10, 2012
    Publication date: August 30, 2012
    Applicant: WEYERHAEUSER NR COMPANY
    Inventors: David C. Irving, Thomas J. Taylor
  • Nutritive media for use in manufactured seeds
    Patent number: 8252718
    Abstract: In one aspect, an improved nutritive media is provided that comprises from 10 g/L to 100 g/L of an adsorbent material, from 350 mg/L to 450 mg/L of NH4NO3, from 2000 mg/L to 3000 mg/L of KH2PO4, from 5 mg/L to 25 mg/L of FeSO4, from 600 mg/L to 1500 mg/L of MgSO4; and at least one component selected from the group consisting of: from 150 mg/L to 300 mg/L of Myo-inositol, from 1.5 mg/L to 3.0 mg/L of Thiamine-HCl, from 0.30 mg/L to 0.80 mg/L of Pyridoxine-HCl, from 1.5 mg/L to 3.0 mg/L of Nicotinic acid, from 0.15 mg/L to 0.30 mg/L of Riboflavin, from 0.75 mg/L to 2.0 mg/L of Ca-pantothenate, from 0.01 mg/L to 0.03 mg/L of Biotin and from 0.15 mg/L to 0.30 mg/L of Folic Acid. In another aspect, a manufactured seed is provided comprising the improved nutritive media.
    Type: Grant
    Filed: September 1, 2010
    Date of Patent: August 28, 2012
    Assignee: Weyerhaeuser NR Company
    Inventors: Jeffrey E. Hartle, William C. Carlson
  • Combination biomass harvester and baler
    Patent number: 8250843
    Abstract: A combination biomass harvester and baler, in some embodiments, can include a self-propelled vehicle base, an engine compartment, a fuel and radiator compartment, a movement mechanism operably connected to the self-propelled vehicle base, a cutting head assembly, a transfer assembly, and a baler assembly. The baler assembly may be configured to consolidate the biomass into one or more bales. A bale carrying platform is provided to store the bales while the combination biomass harvester and baler continues to move.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: August 28, 2012
    Assignee: Weyerhaeuser NR Company
    Inventors: Robert G. Campbell, Howard Duzan, James R. Leist
  • Automatic age classification of forest lands
    Patent number: 8254640
    Abstract: A false color composite image is created by assigning mid infrared data from three time-spaced images of an area of interest to corresponding RGB color components for the false color composite image. The RGB color components for the false color composite image are then converted into color space data and classified into a number of color classes. An age is assigned to the color classes to create a classified image of age classes of the area of interest.
    Type: Grant
    Filed: October 13, 2011
    Date of Patent: August 28, 2012
    Assignee: Weyerhaeuser NR Company
    Inventor: Zhenkui Ma
  • POLYMERIC COMPOSITES
    Publication number: 20120208933
    Abstract: A composition comprising 65 to 90 weight percent kraft chemical wood pulp fibers and a thermoplastic polymer and a method of making the composition.
    Type: Application
    Filed: June 27, 2011
    Publication date: August 16, 2012
    Applicant: WEYERHAEUSER NR COMPANY
    Inventors: Robert T. HAMILTON, Harshadkumar M. Shah, Jeffrey Jacob Cernohous, Neil R. Granlund, David E. Fish
  • Fiber cement board with modified fiber
    Patent number: 8241419
    Abstract: A building material product comprising a cementitious binder, an aggregate and cellulose reinforcing fibers wherein the cellulose reinforcing fibers have been treated with oil which is bound to the fiber by a retention aid. The resulting fiber when included in a fiber cement composite results in improved deflection of the composite at peak loading as well as improved impact strength while maintaining overall board strength.
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: August 14, 2012
    Assignee: Weyerhaeuser NR Company
    Inventors: Robert T Hamilton, David J O'Callaghan, Hugh West
  • Meterable Fiberous Material
    Publication number: 20120199047
    Abstract: A particle or particles of cellulosic wood pulp fibers having a top and bottom face and a hexagonal perimeter, and methods of using it.
    Type: Application
    Filed: April 18, 2012
    Publication date: August 9, 2012
    Applicant: WEYERHAEUSER NR COMPANY
    Inventors: Christopher A. Mann, David G. Marsh, Robert T. Hamilton, Charles E. Miller, Harshadkumar Shah
  • METHODS FOR REMOVING LIQUID FROM A POROUS SUBSTRATE IN PLANT SOMATIC EMBRYGENESIS
    Publication number: 20120167459
    Abstract: The present invention provides methods of removing liquid from a porous substrate on which plant embryos are disposed.
    Type: Application
    Filed: December 6, 2011
    Publication date: July 5, 2012
    Applicant: WEYERHAEUSER NR COMPANY
    Inventors: Patrick M. Brownell, Robert A. Starr, Ramon C. Dezutter
  • METHOD FOR INTERPLANTING ENERGY CROPS
    Publication number: 20120145056
    Abstract: The present disclosure relates to methods for interplanting a primary crop and an energy crop. In some embodiments, the present disclosure includes methods for preparing a plantation site for planting the energy crop. Plantation sites according to the disclosure may include a primary crop planted in a first row and in a second row, the first row being separated by an intermediate row. The intermediate row is divided into a center portion and two side portions (a first side portion and a second side portion). Methods according to embodiments of the disclosure include the steps of lifting a soil and plantation debris mixture from the intermediate area, redepositing a soil component of the soil and plantation debris mixture primarily into the center portion, and redepositing a plantation debris component of the soil and plantation debris mixture primarily into at least one of the two side portions.
    Type: Application
    Filed: December 1, 2011
    Publication date: June 14, 2012
    Applicant: WEYERHAEUSER NR COMPANY
    Inventors: James R. Leist, Howard Duzan
  • SOIL TREATING SYSTEM AND SHEARING ASSEMBLY
    Publication number: 20120145420
    Abstract: The present disclosure relates to soil treating systems and shearing assemblies for use in forestry operations. Embodiments of soil treating systems according to the disclosure include a movement assembly having a front end and a back end, a shearing assembly mounted on the front end of the movement assembly, and leveling assembly mounted on the back end of the movement assembly. In some embodiments shearing assemblies are inverted V-type shearing assemblies. Further aspects of the disclosure are directed towards methods for using soil treating systems and shearing assemblies for preparing land for interplanting an energy crop with a primary crop.
    Type: Application
    Filed: December 1, 2011
    Publication date: June 14, 2012
    Applicant: WEYERHAEUSER NR COMPANY
    Inventors: James R. Leist, Howard Duzan
  • System and method for detecting features on a laminated veneer lumber billet
    Patent number: 8197622
    Abstract: The disclosure relates to systems and methods for detecting features on billets of laminated veneer lumber (LVL). In some embodiments, an LVL billet is provided and passed through a scanning assembly. The scanning assembly includes an x-ray generator and an x-ray detector. The x-ray generator generates a beam of x-ray radiation and the x-ray detector measures intensity of the beam of x-ray radiation after is passes through the LVL billet. The measured intensity is then processed to create an image. Images taken according to the disclosure may then be analyzed to detect features on the LVL billet.
    Type: Grant
    Filed: November 20, 2009
    Date of Patent: June 12, 2012
    Assignee: Weyerhaeuser NR Company
    Inventors: David C. Irving, Thomas J. Taylor
  • Method for making lyocell web product
    Patent number: 8191214
    Abstract: A method for making a web comprising a layer of crosslinked cellulosic fiber overlaid on and fastened to at least one layer of regenerated cellulose fiber. In one method the crosslinked cellulosic fiber is be sandwiched between two regenerated cellulose fiber layers. The regenerated cellulose can be viscose or lyocell or be made from several solvents.
    Type: Grant
    Filed: December 31, 2008
    Date of Patent: June 5, 2012
    Assignee: Weyerhaeuser NR Company
    Inventors: Mengkui Luo, David George Unrau
  • Method and apparatus for monitoring tree growth
    Patent number: 8194916
    Abstract: A system for identifying forest stands within an area of interest that are exhibiting abnormal growth determines a relationship between vegetation index (VI) values determined from a first and a second image of the area of interest. From the relationship, an expected or predicted VI value for each forest stand is determined and compared with the actual VI value computed for the forest stand from the first image. Those forest stands with a difference between the actual and predicted VI values that exceed a threshold are identified as exhibiting abnormal growth.
    Type: Grant
    Filed: December 24, 2008
    Date of Patent: June 5, 2012
    Assignee: Weyerhaeuser NR Company
    Inventor: Zhenkui Ma