Patents by Inventor Dean R. Tonder

Dean R. Tonder has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • PERMEABLE, POURABLE CONCRETE FORMULAS AND METHODS OF USE
    Publication number: 20230192550
    Abstract: A permeable, pourable concrete that has water permeability of on average about 1 inch per hour and compressive strength of an average of about 3000 psi, the permeable concrete comprising a mixture comprising blast-furnace slag, sand, gravel and Portland-type or equivalent cement, the concrete mixed with a predetermined ratio of water, poured into a predetermined form as desired, and set to harden until sufficiently strong.
    Type: Application
    Filed: December 17, 2021
    Publication date: June 22, 2023
    Applicant: Pacific Interlock Pavers, Inc.
    Inventors: Dean R. Tonder, Tim Donovan
  • Permeable paving slab and paver and manufacturing method therefor
    Patent number: 8894319
    Abstract: A permeable paver and paving slab that have water permeability of on average about 1 inch per hour and compressive strength of an average of about 5000 psi to 8000 psi, the paver and paving slab manufactured by forming a mixture comprising blast-furnace slag, sand, gravel and Portland cement into predetermined sizes, shapes and colors as desired utilizing a hydraulic-type or equivalent compacting block forming machine.
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: November 25, 2014
    Assignee: Pacific Interlock Pavingstone, Inc.
    Inventors: Dean R. Tonder, Glen Tonder, Tim Donovan, Per Jensen
  • PERMEABLE PAVING SLAB AND PAVER AND MANUFACTURING METHOD THEREFOR
    Publication number: 20140328624
    Abstract: A permeable paver and paving slab that have water permeability of on average about 1 inch per hour and compressive strength of an average of about 5000 psi to 8000 psi, the paver and paving slab manufactured by forming a mixture comprising blast-furnace slag, sand, gravel and Portland cement into predetermined sizes, shapes and colors as desired utilizing a hydraulic-type or equivalent compacting block forming machine.
    Type: Application
    Filed: April 1, 2014
    Publication date: November 6, 2014
    Applicant: Pacific Interlock Pavingstone, Inc.
    Inventors: Dean R. Tonder, Glen Tonder, Tim Donovan, Per Jensen
  • Permeable paver and manufacturing method therefor
    Patent number: 8684626
    Abstract: A permeable paver that has water permeability of on average about 1 inch per hour and compressive strength of an average of about 8000 psi, the paver manufactured by forming a mixture comprising blast-furnace slag, sand, gravel and portland cement into predetermined sizes, shapes and colors as desired utilizing a hydraulic-type or equivalent compacting block forming machine.
    Type: Grant
    Filed: April 18, 2011
    Date of Patent: April 1, 2014
    Assignee: Pacific Interlock Pavingstone, Inc.
    Inventors: Dean R. Tonder, Glen Tonder, Tim Donovan, Per Jensen
  • Permeable paver and manufacturing method therefor
    Patent number: 7927037
    Abstract: A permeable paver that has water permeability of on average about 1 inch per hour and compressive strength of an average of about 8000 psi, the paver manufactured by forming a mixture comprising blast-furnace slag, sand, gravel and Portland cement into predetermined sizes, shapes and colors as desired utilizing a hydraulic-type or equivalent compacting block forming machine.
    Type: Grant
    Filed: August 7, 2009
    Date of Patent: April 19, 2011
    Assignee: Pacific Interlock Pavingstone, Inc.
    Inventors: Glen Tonder, Dean R. Tonder, Tim Donovan, Per Jensen
  • Permeable Paver And Manufacturing Method Therefor
    Publication number: 20100158609
    Abstract: A permeable paver having water permeability of on average about 1 inch per hour and compressive strength of an average of about 8000 psi, the paver manufactured by forming the mixture into predetermined sizes, shapes and colors as desired, utilizing a hydraulic-type or equivalent compacting block forming machine.
    Type: Application
    Filed: August 7, 2009
    Publication date: June 24, 2010
    Inventors: Glen Tonder, Dean R. Tonder, Tim Donovan, Per Jensen