US oxygen system manufacturers
Latest update 06 November 2009

Robertshaw
1907 Company established, later renamed Robertshaw Controls Corporation.
1956 Robertshaw Fulton Controls Company mentioned in USN report. The regulators submitted by Robertshaw Fulton Controls Company were picked at random from production samples of oxygen breathing regulators model 2867A1B and B1.
????  Headquarters at Richmond, VA, and Aeronautical and Instrument Division at Anaheim, CA.
1986 Bought by Siebe Plc, UK.
   
Sabre
1984 Sabre Industries acquired by Adams Rite Products, Inc.
1993  Adams Rite Products renamed Adams Rite Aerospace Inc.
   
Scott/Avox
1932 Scott established in Lancaster, N.Y., by Earle Scott. under the name Universal Alloy Products Company. Manufactured tailskids and later tailwheels.
1938 Name changed to Scott Aviation Corp.
1941 Contracted to produce Mark X oxygen regulators to Royal Air Force and A-13 regulators (second source along with Bendix) for the USAAF.
1956+ Developed ejection seat survival kit.
1966 Scott Aviation Corp bought by Automatic Sprinkler Corp (ATO) (CEO Harry Figgie).
1970 Scott Aviation Corp renamed Scott Industries, inc.
???? ATO renamed Figgie International Corp.
1998 Figgie collapsed and Scott Technologies Inc. evolved as its replacement.
2001 Scott Aviation mentioned as division of Scott Technologies acquired by Tyco International in connection with a stock swap.
2004 Scott Aviation sold by Tyco International to the French industrial group Zodiac SA and renamed to Avox Systems.
   
Firewel/Aro/Carlton
1930 Aro founded in Bryan, OH, by John Clifton Markey.
1946 Firewel founded in Lancaster, N.Y., by two employees from Scott Aviation.
1951 Firewel contracted to develop regulator for David Clark (BF Goodrich partial pressure suit for the US Navy).
1956? Firewel developed the first miniaturized mask-mounted oxygen system for the US Navy pilots flying the A-3D Skywarrior, F-4D Skyray, and the F-8U Crusader.
1958 Firewell sold to Aro Equipment Company (Firewel-Aro Co. mentioned in Convair report dated 29 April 1960) (Firewel F2700 seen as Aro F2700 updated to CRU-79/P specs, order date 1985).
1968 Aro moved production to its Ohio headquarters, but let the aerospace engineering and development entity remain in western New York.
1985 Todd Shipyards bought the aerospace engineering and development business from Aro.
1990 Due to Todd financial problems, Aro Pneumatic was sold to Ingersoll Rand.
1993 Carlton Controls, which was founded by a former employee, bought the aerospace aspect of the business, and continues to produce devices for high altitude and space flight.
   
Pioneer/Bendix/Clifton/Litton/Carleton
1951 Bendix founded life support subsidiary.
???? Pioneer acquired by Bendix? (Pioneer-Central Division of Bendix Aircraft Corp seen on regulator pre-1961)
1969 Bendix life support mentioned.
1979 Litton (Clifton Precision) mentioned in sources (no connection to Bendix yet).
1982 Bendix life support sold to Litton Industries.
1985- Life support division renamed Clifton Precision (1984 order date noted) (does the Clifton name have anything to do with Aro’s founder, John Clifton Markey??),
1993 Clifton Precision renamed Litton Life Support (1993 manufacturing date noted),
2001 Litton Industries including its Life Support Division sold to Northrop-Grumman Corporation.
2003 Litton’s Life Support Division sold to Cobham Plc as Carleton Life Support Systems.
2009- Renamed Cobham Life Support (2009 brochure says that Carleton Life Support Systems Inc is doing business as Cobham Life Support).
   

 

        

         

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