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美國Baker 
1951年，美國Baker公司生產了世界上第一臺生物安全操作臺，在以后的近50年間，Baker公司始終占據著當今世界生物安全操作系統產品設計、開發、研究和制造的領導地位。其產品已遍布醫藥、生物技術、生命科學研究及醫院臨床應用等全球各個角落。
Baker was found in 1949. Baker designs and builds the first clean air work station. Many of today?|s industry standards for quality, performance and construction are based on original Baker concepts and innovations in 1951. In 1875, Baker is the first company in the industry to establish a state-of-the-art microbiological aerosol testing laboratory at its manufacturing facility. Baker remains the only company which routinely performs extensive biological tests on the equipment. In 2002, Baker Leads The Industry In Reclassification Of Terminology To Meet New NSF/ANSI Standard #49, 2002 for Class II Biological Safety Cabinet Types When changes in the NSF/ANSI Standard 49 - 2002 were adopted in 2002