Patents by Inventor David E. Lawrence

David E. Lawrence 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: 10859637
    Abstract: A device for verifying wire connectivity of a bus may include a bus connector configured to connect to a bus comprising a plurality of wires and measurement circuitry configured to perform a verification test on each wire of the bus. The verification test of each wire may include connecting a wire under test in a predetermined configuration relative to the other wires for performing the verification test and measuring a value of an electrical parameter associated with the wire under test. The verification test may also include comparing the value of the measured electrical parameter associated with the wire under test to an expected value of the electrical parameter. The wire under test passes the verification test in response to the measured value of the electrical parameter corresponding substantially to the expected value of the electrical parameter.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: December 8, 2020
    Assignee: The Boeing Company
    Inventors: Sean M. Ramey, Jeffrey A. Lawrence, Enoch E. McDowell, John A. Sekora, Edgar L. von Trotha, III, David E. Lawrence
  • Publication number: 20180067159
    Abstract: A device for verifying wire connectivity of a bus may include a bus connector configured to connect to a bus comprising a plurality of wires and measurement circuitry configured to perform a verification test on each wire of the bus. The verification test of each wire may include connecting a wire under test in a predetermined configuration relative to the other wires for performing the verification test and measuring a value of an electrical parameter associated with the wire under test. The verification test may also include comparing the value of the measured electrical parameter associated with the wire under test to an expected value of the electrical parameter. The wire under test passes the verification test in response to the measured value of the electrical parameter corresponding substantially to the expected value of the electrical parameter.
    Type: Application
    Filed: October 30, 2017
    Publication date: March 8, 2018
    Inventors: Sean M. Ramey, Jeffrey A. Lawrence, Enoch E. McDowell, John A. Sekora, Edgar L. von Trotha, III, David E. Lawrence
  • Patent number: 9835669
    Abstract: A device for verifying wire connectivity of a bus may include a bus connector configured to connect to a bus comprising a plurality of wires and measurement circuitry configured to perform a verification test on each wire of the bus. The verification test of each wire may include connecting a wire under test in a predetermined configuration relative to the other wires for performing the verification test and measuring a value of an electrical parameter associated with the wire under test. The verification test may also include comparing the value of the measured electrical parameter associated with the wire under test to an expected value of the electrical parameter. The wire under test passes the verification test in response to the measured value of the electrical parameter corresponding substantially to the expected value of the electrical parameter.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: December 5, 2017
    Assignee: The Boeing Company
    Inventors: Sean M. Ramey, Jeffrey A. Lawrence, Enoch E. McDowell, John A. Sekora, Edgar L. von Trotha, III, David E. Lawrence
  • Publication number: 20170160332
    Abstract: A device for verifying wire connectivity of a bus may include a bus connector configured to connect to a bus comprising a plurality of wires and measurement circuitry configured to perform a verification test on each wire of the bus. The verification test of each wire may include connecting a wire under test in a predetermined configuration relative to the other wires for performing the verification test and measuring a value of an electrical parameter associated with the wire under test. The verification test may also include comparing the value of the measured electrical parameter associated with the wire under test to an expected value of the electrical parameter. The wire under test passes the verification test in response to the measured value of the electrical parameter corresponding substantially to the expected value of the electrical parameter.
    Type: Application
    Filed: December 19, 2014
    Publication date: June 8, 2017
    Inventors: Sean M. Ramey, Jeffrey A. Lawrence, Enoch E. McDowell, John A. Sekora, Edgar L. von Trotha, III, David E. Lawrence
  • Publication number: 20160178683
    Abstract: A device for verifying wire connectivity of a bus may include a bus connector configured to connect to a bus comprising a plurality of wires and measurement circuitry configured to perform a verification test on each wire of the bus. The verification test of each wire may include connecting a wire under test in a predetermined configuration relative to the other wires for performing the verification test and measuring a value of an electrical parameter associated with the wire under test. The verification test may also include comparing the value of the measured electrical parameter associated with the wire under test to an expected value of the electrical parameter. The wire under test passes the verification test in response to the measured value of the electrical parameter corresponding substantially to the expected value of the electrical parameter.
    Type: Application
    Filed: December 19, 2014
    Publication date: June 23, 2016
    Inventors: Sean M. Ramey, Jeffrey A. Lawrence, Enoch E. McDowell, John A. Sekora, Edgar L. von Trotha, III, David E. Lawrence
  • Patent number: 7429217
    Abstract: A cue stroke practice aid is used by a billiards player to improve the player's cue stroke by repetitiously practicing the stroke at varying skill levels until a consistent stroke is developed. The practice aid comprises an elongated housing with first and second openings at opposed ends. A slide assembly is positioned in the elongated housing. The slide assembly includes a shaft, equi-spaced rails extending axially from the shaft, cue guide arms and an adjusting knob. The adjusting knob is used to move the rails laterally within the housing. This has the effect of causing cue guide arms to radially expand or contract from the axis shaft to form a tubular cavity of a desired cross dimension. The opening defined by tips of the cue guide fingers provides a target for the billiards player to practice a stroke at a selected cross dimension according to an attainable skill level.
    Type: Grant
    Filed: January 22, 2007
    Date of Patent: September 30, 2008
    Inventor: David E. Lawrence
  • Patent number: 6920405
    Abstract: A desired Acceptable Quality Limit (AQL), a desired Key Defect Rate (KDR), a desired power of a sampling plan for items that are manufactured and a desired false alarm rate for the sampling plan are input into a computer. The computer calculates a required sample size to provide the desired AQL, the desired KDR, the desired power of the sampling plan for the items that are manufactured and the desired false alarm rate for the sampling plan. Thus, each of the individual parameters may be independently specified based on the items that are manufactured, desired AQLs, KDRs, power and false alarm rates. Reliance on ANSI/ASQ Z1.9 tables which might best fit a user's desired parameters can be reduced and preferably eliminated. In addition to calculating the required sample size, a decision rule critical value also may be calculated based upon the required sample size to provide the desired AQL, the desired KDR, the desired power and the desired false alarm rate for the sampling plan.
    Type: Grant
    Filed: July 8, 2003
    Date of Patent: July 19, 2005
    Assignee: Becton, Dickinson and Company
    Inventor: David E. Lawrence
  • Publication number: 20040107062
    Abstract: A desired Acceptable Quality Limit (AQL), a desired Key Defect Rate (KDR), a desired power of a sampling plan for items that are manufactured and a desired false alarm rate for the sampling plan are input into a computer. The computer calculates a required sample size to provide the desired AQL, the desired KDR, the desired power of the sampling plan for the items that are manufactured and the desired false alarm rate for the sampling plan. Thus, each of the individual parameters may be independently specified based on the items that are manufactured, desired AQLs, KDRs, power and false alarm rates. Reliance on ANSI/ASQ Z1.9 tables which might best fit a user's desired parameters can be reduced and preferably eliminated. In addition to calculating the required sample size, a decision rule critical value also may be calculated based upon the required sample size to provide the desired AQL, the desired KDR, the desired power and the desired false alarm rate for the sampling plan.
    Type: Application
    Filed: July 8, 2003
    Publication date: June 3, 2004
    Inventor: David E. Lawrence
  • Patent number: 6636818
    Abstract: A desired Acceptable Quality Limit (AQL), a desired Key Defect Rate (KDR), a desired power of a sampling plan for items that are manufactured and a desired false alarm rate for the sampling plan are input into a computer. The computer calculates a required sample size to provide the desired AQL, the desired KDR, the desired power of the sampling plan for the items that are manufactured and the desired false alarm rate for the sampling plan. Thus, each of the individual parameters may be independently specified based on the items that are manufactured, desired AQLs, KDRs, power and false alarm rates. Reliance on ANSI/ASQ Z1.9 tables which might best fit a user's desired parameters can be reduced and preferably eliminated. In addition to calculating the required sample size, a decision rule critical value also may be calculated based upon the required sample size to provide the desired AQL, the desired KDR, the desired power and the desired false alarm rate for the sampling plan.
    Type: Grant
    Filed: September 15, 1999
    Date of Patent: October 21, 2003
    Assignee: Becton, Dickinson and Company
    Inventor: David E. Lawrence
  • Patent number: 5730812
    Abstract: A method is disclosed for manufacturing ejector sleeves from tubular stock. In particular, the method includes the following steps or operations: (a) cutting the tube stock to length, (b) enlarging a portion of the inside diameter of the sleeve to provide a clearance diameter, (c) rough-sizing a close-fitting inner diameter, (d) optionally semi-finishing the outside diameter of the sleeve, (e) hardening and straightening the sleeve, (f) final sizing of the outside diameter while maintaining concentricity with the inside diameters, (g) finishing the end face of the sleeve adjacent the close-fitting diameter, (h) final sizing of the close-fitting inner diameter while maintaining concentricity with the outside diameter, (i) forming a head on the sleeve by heating and forging to a predetermined size, (j) optional annealing and refinishing of the head for purposes of hardness or dimensional modification, or improving surface finish.
    Type: Grant
    Filed: May 19, 1997
    Date of Patent: March 24, 1998
    Assignee: D-M-E Company
    Inventor: David E. Lawrence