using melt impregnation

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for impregnation of wood component with solid paraffin wax,...

    • Patent number 10,926,285
    • Issue date Feb 23, 2021
    • Prolam, Societe en Commandite
    • Benoit Risi
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Microwave impregnation of porous materials with thermal energy stor...

    • Patent number 5,202,150
    • Issue date Apr 13, 1993
    • The United States of America as represented by the United States Department o...
    • David K. Benson
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Molten salt method of producing fire resistant wood articles

    • Patent number 3,935,343
    • Issue date Jan 27, 1976
    • United States Gypsum Company
    • Harold W. Nuttall
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    3928677

    • Patent number 3,928,677
    • Issue date Dec 23, 1975
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    3617314

    • Patent number 3,617,314
    • Issue date Nov 2, 1971
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    3474172

    • Patent number 3,474,172
    • Issue date Oct 21, 1969
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    3061457

    • Patent number 3,061,457
    • Issue date Oct 30, 1962
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    2312978

    • Patent number 2,312,978
    • Issue date Mar 2, 1943
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    2060902

    • Patent number 2,060,902
    • Issue date Nov 17, 1936
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    1890220

    • Patent number 1,890,220
    • Issue date Dec 6, 1932
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    1652811

    • Patent number 1,652,811
    • Issue date Dec 13, 1927
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    1617447

    • Patent number 1,617,447
    • Issue date Feb 15, 1927
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    1583966

    • Patent number 1,583,966
    • Issue date May 11, 1926
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    1520442

    • Patent number 1,520,442
    • Issue date Dec 23, 1924
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    1375125

    • Patent number 1,375,125
    • Issue date Apr 19, 1921
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    1374806

    • Patent number 1,374,806
    • Issue date Apr 12, 1921
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...

Patents Applicationslast 30 patents