John Ramsay Spruell

Lontra Ltd. develops energy savings compressors and engines. It offers blade compressor, a rotary device with a wrapped toroidal chamber, and a compact and double acting rotary compressor for various industrial air markets, blowers, and specific process gas applications; and Blade supercharger, a displacement supercharger for heavily downsized gasoline and diesel powertrains. The company was founded by Stephen Francis Lindsey and Simon Hombersley in 2004 and is headquartered in Napton, the United Kingdom.

Lontra Ltd. develops energy savings compressors and engines. It offers blade compressor, a rotary device with a wrapped toroidal chamber, and a compact and double acting rotary compressor for various industrial air markets, blowers, and specific process gas applications; and Blade supercharger, a displacement supercharger for heavily downsized gasoline and diesel powertrains. The company was founded by Stephen Francis Lindsey and Simon Hombersley in 2004 and is headquartered in Napton, the United Kingdom.

Lontra Ltd. develops energy savings compressors and engines. It offers blade compressor, a rotary device with a wrapped toroidal chamber, and a compact and double acting rotary compressor for various industrial air markets, blowers, and specific process gas applications; and Blade supercharger, a displacement supercharger for heavily downsized gasoline and diesel powertrains. The company was founded by Stephen Francis Lindsey and Simon Hombersley in 2004 and is headquartered in Napton, the United Kingdom.