Patents by Inventor Douglas Holmberg

Douglas Holmberg 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).

  • Patent number: 10920544
    Abstract: A downhole system includes a switch sub holding a gun switch and an adapter attached to the switch sub and holding an igniter switch. The gun switch is configured to detonate a detonator, and the igniter switch is configured to ignite an igniter system.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: February 16, 2021
    Assignee: GEODYNAMICS, INC.
    Inventors: Shelby L. Sullivan, Johnny Joslin, Robert E. Davis, John T. Hardesty, Aaron Douglas Holmberg
  • Publication number: 20190136673
    Abstract: A downhole system includes a switch sub holding a gun switch and an adapter attached to the switch sub and holding an igniter switch. The gun switch is configured to detonate a detonator, and the igniter switch is configured to ignite an igniter system.
    Type: Application
    Filed: January 7, 2019
    Publication date: May 9, 2019
    Applicants: GEODYNAMICS, INC., GEODYNAMICS, INC.
    Inventors: Shelby L. SULLIVAN, Johnny JOSLIN, Robert E. DAVIS, John T. HARDESTY, Aaron Douglas HOLMBERG
  • Publication number: 20080047867
    Abstract: A method and system for prepackaging and administering a predetermined individualized regime of therapeutic dosages comprising coding of a plurality of sets of separate dosage packets with individual dosage packet designations corresponding to the time and day or date of administration, filling the separate dosage packets with the predetermined individualized regime of therapeutic dosages, coding a packet organizer comprising a plurality of packet positions corresponding to the plurality of sets of separate dosage packets with individual packet designations corresponding to the individual dosage packet designations of the plurality of sets of separate dosage packets, matching the individual dosage packets of the plurality of sets of separate dosage packets with the corresponding packet positions of the packet organizer by correlating the individual dosage packet designations of the plurality of sets of separate dosage packets with the corresponding packet position designations of the packet organizer, storing
    Type: Application
    Filed: June 11, 2007
    Publication date: February 28, 2008
    Inventor: Douglas Holmberg
  • Patent number: 7228970
    Abstract: A method and system for prepackaging and administering a predetermined individualized regime of therapeutic dosages comprising coding of a plurality of sets of separate dosage packets with individual dosage packet designations corresponding to the time and day or date of administration, filling the separate dosage packets with the predetermined individualized regime of therapeutic dosages, coding a packet organizer comprising a plurality of packet positions corresponding to the plurality of sets of separate dosage packets with individual packet designations corresponding to the individual dosage packet designations of the plurality of sets of separate dosage packets, matching the individual dosage packets of the plurality of sets of separate dosage packets with the corresponding packet positions of the packet organizer by correlating the individual dosage packet designations of the plurality of sets of separate dosage packets with the corresponding packet position designations of the packet organizer, storing
    Type: Grant
    Filed: September 24, 2001
    Date of Patent: June 12, 2007
    Inventor: Douglas A. Holmberg
  • Publication number: 20040159576
    Abstract: A method and system for prepackaging and administering a predetermined individualized regime of therapeutic dosages comprising coding of a plurality of sets of separate dosage packets with individual dosage packet designations corresponding to the time and day or date of administration, filling the separate dosage packets with the predetermined individualized regime of therapeutic dosages, coding a packet organizer comprising a plurality of packet positions corresponding to the plurality of sets of separate dosage packets with individual packet designations corresponding to the individual dosage packet designations of the plurality of sets of separate dosage packets, matching the individual dosage packets of the plurality of sets of separate dosage packets with the corresponding packet positions of the packet organizer by correlating the individual dosage packet designations of the plurality of sets of separate dosage packets with the corresponding packet position designations of the packet organizer, storing
    Type: Application
    Filed: September 24, 2001
    Publication date: August 19, 2004
    Inventor: Douglas A. Holmberg
  • Publication number: 20030066411
    Abstract: A choral teaching method and system for teaching a singer to harmonize a particular harmonic part to a song comprising selecting the harmonic part to be learned, recording the particular harmonic part of the song, recording all four harmonic parts of the song, recording the song without the harmonic part to be learned, listening to the full harmonic recording to learn the sound of the selected harmonic part in harmony with the other three harmonic parts, listening to the particular harmonic part of the recording to learn the sound of the particular harmonic part and playing the recording without the harmonic part to be learned and singing the particular harmonic part with the other three harmonic parts.
    Type: Application
    Filed: October 5, 2001
    Publication date: April 10, 2003
    Inventor: Douglas A. Holmberg
  • Publication number: 20030014915
    Abstract: A method of propagating plants or trees using a propagation tray configured to receive a plurality of seedlings or root cuttings comprising a tray member having a plurality of propagation cells each to receive a growing media and at least one seedling or root cutting therein and a tray floor with a plurality of apertures formed therethrough such that roots from the seedlings or root cuttings may extend from the growing media through the tray floor into a growing media below the propagation tray or be air pruned at the tray floor and at tray wall.
    Type: Application
    Filed: September 7, 2001
    Publication date: January 23, 2003
    Inventor: Douglas A. Holmberg
  • Publication number: 20030014916
    Abstract: A propagation tray configured to receive a plurality of seedlings or root cuttings comprising a tray member having a plurality of elongated propagation cells each to receive a growing media and a plurality of seedlings or root cuttings therein and a removable interior cell wall disposed between adjacent elongated propagation cells such that the selective removal of a removable interior cell wall from the tray member facilitates removal of the plurality of seedlings or root cuttings and growing media from the corresponding elongated propagation cell.
    Type: Application
    Filed: July 18, 2001
    Publication date: January 23, 2003
    Inventor: Douglas A. Holmberg
  • Patent number: 6339902
    Abstract: A propagation tray configured to receive a plurality of seedlings or root cuttings comprising a tray member having an outer peripheral skirt formed about the periphery thereof and a plurality of propagation cells each having an upper centrally disposed aperture formed in the upper portion thereof inwardly of the outer peripheral skirt to receive a growing media and seedlings or root cuttings therein, a lower centrally disposed drainage aperture formed in the lower portion thereof and a growing media support member formed across the lower centrally disposed drainage aperture to retain the growing media and seedling or root cutting therein.
    Type: Grant
    Filed: April 3, 2000
    Date of Patent: January 22, 2002
    Inventor: Douglas A. Holmberg
  • Patent number: 6241216
    Abstract: A tree line fence system for use with a tree line comprising a plurality of trees to be harvested comprising a plurality of fencing members affixed to the tree trunks of each tree along the tree line to support a plurality of corresponding fencing elements wherein each fencing member comprises a fencing nail having a fencing element attachment means formed on the proximal end thereof to operatively receive and support the plurality of fencing elements thereon and a fencing member attachment means formed on the distal end portion thereof to anchor or secure the fencing members to the corresponding tree trunks to affix the tree line fence system to the tree trunks along the tree line.
    Type: Grant
    Filed: September 24, 1999
    Date of Patent: June 5, 2001
    Inventor: Douglas A. Holmberg
  • Patent number: 5484335
    Abstract: A ventilated enclosure comprising a substantially vertical side wall, a roof including at least one roof section, a ridge vent formed adjacent a portion of the roof section and side vent formed adjacent a portion of the substantially vertical side wall, a first elongated inflatable member disposed adjacent the ridge vent and a second elongated inflatable member disposed adjacent the side vent, the first and second elongated inflatable members each movable between a first and second position disposed in operative relationship relative to the ridge vent and side vent respectively to selectively control air flow through the ridge vent and side vent respectively and to permit air circulation through the ventilated enclosure when the first and second elongated inflatable members are each in the first position and to seal the ridge vent and side vent respectively when the first and second elongated inflatable members are each in the second position.
    Type: Grant
    Filed: May 2, 1994
    Date of Patent: January 16, 1996
    Inventor: Douglas A. Holmberg
  • Patent number: 5127189
    Abstract: A propagation tray configured to receive a plurality of seedlings or the like comprising a tray member having an outer peripheral ledge formed about the periphery thereof and plurality of elongated frustum conical propagation cells each having a centrally disposed aperture formed in the upper portion thereof to receive individual seedlings formed inwardly of the outer peripheral ledge and a drainage aperture and cell support surface formed on the lower portion thereof such that the seedlings disposed within the plurality of elongated frustum conical propagation cells are provided drainage and air pruning through the drainage apertures while supported on the ground or other supporting surface by the cell support surfaces.
    Type: Grant
    Filed: July 19, 1990
    Date of Patent: July 7, 1992
    Inventor: Douglas A. Holmberg
  • Patent number: 5000080
    Abstract: A ventilated enclosure comprising a substantially vertical side wall, a roof including at least one roof section, a ridge vent formed adjacent a portion of the roof section and side vent formed adjacent a portion of the substantially vertical side wall, a first elongated inflatable member disposed adjacent the ridge vent and a second elongated inflatable member disposed adjacent the side vent, the first and second elongated inflatable members each movable between a first and second position disposed in operative relationship relative to the ridge vent and side vent respectively to selectively control air flow through the ridge vent and side vent respectively and to permit air circulation through the ventilated enclosure when the first and second elongated inflatable members are each in the first position and to seal the ridge vent and side vent respectively when the first and second elongated inflatable members are each in the second position.
    Type: Grant
    Filed: January 10, 1990
    Date of Patent: March 19, 1991
    Inventor: Douglas A. Holmberg
  • Patent number: 4945821
    Abstract: A ventilated greenhouse comprising an enclosure cooperatively formed by a first and second substantially parallel vertical side wall disposed in spaced relationship relative to each other by a pair of substantially parallel vertical end walls and a roof including a first and second roof section wherein opposite ends of the first roof section are disposed in overlapping spaced relationship relative to the upper portion of the second roof section and the upper portion of the first substantially vertical side wall to cooperatively form a ridge vent and side vent respectively and a first and second sealing element each movable between a first and second position disposed in operative relationship relative to the ridge vent and side vent respectively to permit air circulation through the ventilated greenhouse when the first and second sealing elements are in the first position and to seal the ridge vent and side vent respectively when the first and second sealing elements are in the second position.
    Type: Grant
    Filed: August 9, 1988
    Date of Patent: August 7, 1990
    Inventor: Douglas A. Holmberg
  • Patent number: 4658542
    Abstract: A portable growing system for propagating seedlings or rooting cuttings comprising an upper propagation tray configured to receive a plurality of seedlings or rooting cuttings and a lower support bench configured to support the upper propagation tray above the ground or other supporting surface, the upper propagation tray comprising a tray member having an outer peripheral support ledge formed about the periphery thereof and plurality of propagation cells each having a centrally disposed aperture formed in the lower portion thereof to receive individual seedlings or rooting cuttings formed inwardly of the outer peripheral support ledge and the lower support bench comprising a pair of side walls held in fixed spaced relationship relative to each other by a pair of end walls and a lattice floor, the upper surfaces of the pair of the side walls and pair of end walls cooperatively forming an upper peripheral support surface to support the outer peripheral support ledge, the pair of side walls and the pair of end
    Type: Grant
    Filed: February 24, 1986
    Date of Patent: April 21, 1987
    Inventor: Douglas A. Holmberg