Patents by Inventor Christopher G. Hall

Christopher G. Hall 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).

  • 2-AZASPIRO[3.4]OCTANE DERIVATIVES AS M4 AGONISTS
    Publication number: 20240140959
    Abstract: Provided herein are compounds according to Formula (I) or a pharmaceutically acceptable salt thereof, wherein R1, R2, R3, R5, and R7 are defined herein. Also provided herein are pharmaceutical compositions comprising a compound of Formula (I) as well as the use of such compounds as M4 receptor agonists.
    Type: Application
    Filed: October 30, 2023
    Publication date: May 2, 2024
    Inventors: Amy CALHOUN, Xin CHEN, Kevin Matthew GARDINIER, Edward Charles HALL, Keith JENDZA, Nancy LABBE-GIGUERE, James Anthony NEEF, Daniel Steven PALACIOS, Ming QIAN, Michael David SHULTZ, Christopher G. THOMSON, Kate Yaping WANG, Fan YANG
  • Cannula assembly
    Patent number: 11944347
    Abstract: A trocar assembly can include a cannula, a seal cartridge, and an obturator. The seal cartridge is configured to be releasably coupled to the cannula and to be disposed at least partially within the cannula in a coupled configuration of the seal cartridge. The obturator is configured to directly latch to the cannula and to extends through the cannula and the seal cartridge in a coupled configuration of the obturator.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: April 2, 2024
    Assignee: Cilag GmbH International
    Inventors: Joseph Mozloom, Jr., Christopher Brock Stone, Andrew S. Berkowitz, Steven G. Hall, Jeffrey P. Wiley, Richard Patrick Chesnes, Jeffery T. Kirk, Aren Calder Hill
  • POWERED AIR BREATHING APPARATUS
    Publication number: 20230310907
    Abstract: A safety breathing apparatus has a sensor for measuring the difference in pressure between two point 1a, 1b in the gas delivered to a head unit 9. The sensor is used to measure the difference in the pressure of the gas supplied through the apparatus between the two points in the gas flow, and the pressure difference is then used to calculate the gas flow rate.
    Type: Application
    Filed: June 6, 2023
    Publication date: October 5, 2023
    Inventors: Albert F. Zwolinsky, Richard D. Marshall, Christopher G. Hall
  • Powered air breathing apparatus
    Patent number: 11707638
    Abstract: A safety breathing apparatus has a sensor for measuring the difference in pressure between two point 1a, 1b in the gas delivered to a head unit 9. The sensor is used to measure the difference in the pressure of the gas supplied through the apparatus between the two points in the gas flow, and the pressure difference is then used to calculate the gas flow rate.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: July 25, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Albert F. Zwolinsky, Richard D. Marshall, Christopher G. Hall
  • POWERED AIR BREATHING APPARATUS
    Publication number: 20200276461
    Abstract: A safety breathing apparatus has a sensor for measuring the difference in pressure between two point 1a, 1b in the gas delivered to a head unit 9. The sensor is used to measure the difference in the pressure of the gas supplied through the apparatus between the two points in the gas flow, and the pressure difference is then used to calculate the gas flow rate.
    Type: Application
    Filed: May 20, 2020
    Publication date: September 3, 2020
    Inventors: Albert F. Zwolinsky, Richard D. Marshall, Christopher G. Hall
  • Powered air breathing apparatus
    Patent number: 10695592
    Abstract: A safety breathing apparatus has a sensor for measuring the difference in pressure between two point 1a, 1b in the gas delivered to a head unit 9. The sensor is used to measure the difference in the pressure of the gas supplied through the apparatus between the two points in the gas flow, and the pressure difference is then used to calculate the gas flow rate.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: June 30, 2020
    Assignee: 3M Innovative Properties Company
    Inventors: Albert F. Zwolinsky, Richard D. Marshall, Christopher G. Hall
  • Breathing apparatus
    Patent number: 10668307
    Abstract: A safety breathing apparatus has a sensor for measuring the difference in pressure between two point in the gas delivered to a head unit. The sensor is used to measure the difference in the pressure of the gas supplied through the apparatus between the two points in the gas flow, and the pressure difference is then used to calculate the gas flow rate.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: June 2, 2020
    Assignee: Scott Health & Safety Ltd.
    Inventors: Albert F. Zwolinsky, Richard D. Marshall, Christopher G. Hall
  • POWERED AIR BREATHING APPARATUS
    Publication number: 20180221691
    Abstract: A safety breathing apparatus has a sensor for measuring the difference in pressure between two point 1a, 1b in the gas delivered to a head unit 9. The sensor is used to measure the difference in the pressure of the gas supplied through the apparatus between the two points in the gas flow, and the pressure difference is then used to calculate the gas flow rate.
    Type: Application
    Filed: February 12, 2018
    Publication date: August 9, 2018
    Inventors: Albert F. ZWOLINSKY, Richard D. MARSHALL, Christopher G. HALL
  • POWERED AIR BREATHING APPARATUS
    Publication number: 20160317845
    Abstract: A safety breathing apparatus has a sensor for measuring the difference in pressure between two point in the gas delivered to a head unit. The sensor is used to measure the difference in the pressure of the gas supplied through the apparatus between the two points in the gas flow, and the pressure difference is then used to calculate the gas flow rate.
    Type: Application
    Filed: June 10, 2016
    Publication date: November 3, 2016
    Inventors: Albert F. Zwolinsky, Richard D. Marshall, Christopher G. Hall
  • Improvements to powered air breathing apparatus
    Patent number: 9387299
    Abstract: A safety breathing apparatus has a sensor for measuring the difference in pressure between two points in the gas delivered to a head unit. The sensor is used to measure the difference in the pressure of the gas supplied through the apparatus between the two points in the gas flow, and the pressure difference is then used to calculate the gas flow rate.
    Type: Grant
    Filed: October 27, 2010
    Date of Patent: July 12, 2016
    Assignee: Scott Health & Safety Ltd.
    Inventors: Albert F. Zwolinsky, Richard D. Marshall, Christopher G. Hall
  • IMPROVEMENTS TO POWERED AIR BREATHING APPARATUS
    Publication number: 20130319408
    Abstract: A safety breathing apparatus has a sensor for measuring the difference in pressure between two point 1a, 1b in the gas delivered to a head unit 9. The sensor is used to measure the difference in the pressure of the gas supplied through the apparatus between the two points in the gas flow, and the pressure difference is then used to calculate the gas flow rate.
    Type: Application
    Filed: October 27, 2010
    Publication date: December 5, 2013
    Inventors: Albert F. Zwolinsky, Richard D. Marshall, Christopher G. Hall
  • Breathing mask
    Patent number: D668327
    Type: Grant
    Filed: November 4, 2010
    Date of Patent: October 2, 2012
    Assignee: Scott Health & Safety Ltd.
    Inventors: Christopher Sumner, Sally Leyland, Christopher G. Hall, Robert Carr, Frank Angear, Albert Zwolinsky
  • Breathing mask
    Patent number: D668758
    Type: Grant
    Filed: November 4, 2010
    Date of Patent: October 9, 2012
    Assignee: Scott Health & Safety Ltd.
    Inventors: Christopher G. Hall, Sally Leyland, Albert Zwolinsky, Robert Carr, Frank Angear
  • Blower unit for breathing mask
    Patent number: D687944
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: August 13, 2013
    Assignee: Scott Health & Safety Ltd.
    Inventors: Albert F. Zwolinsky, Christopher G. Hall, Richard D. Marshal, Sally Leyland, Robert Carr, Frank Angear