Patent for improvement in Combined Ventilators and Chimneys. This object is to be used with the brick chimney on top of the roof to provide air circulation. It consists of an iron-lined inner flue secured within an outer casing with suitable bottom and top perforation for establishing air current around the flue
Patent for an improved stovepipe or flue cleaner. It is a four-bladed fan that sits in an insert in ...
Patent for a new and improved car-ventilator. This design consists in "an eduction pipe arranged len...
Patent for improvements to cooling apparatus for buildings, especially distilleries and breweries. I...
Patent for a new and improved combined ventilator and chimney. This design consists in "[a] combined...
Patent for a new and improved combined chimney and ventilator. This design consists "[i]n a combined...
Patent for a new and improved ventilating chimney. This design consists in "the combination, with th...
Patent for improvements in ventilators and protectors for roofs relating to "a ventilating combing o...
Patent for a new and improved ventilator. This design is "to provide a ventilator which shall automa...
Patent for a new and improved ventilator. This design consists in "a fan casing, constructed and arr...
Patent for a new and improved ventilating attachment for hearths. This design "consists in extending...
Patent for improvements in chimney-cowls by providing a “self-operating smoke-conductor especially a...
Patent for chimney protectors "which can be readily applied and will secure a water-tight joint betw...
Patent for a new and improved ventilator for grain, etc. This design consists in "[t]he combination,...
The article is focused on the airflow in a ventilation system in a building. The work examines the m...
Patent for an apparatus for "condensing and saving the flue-dust passing with the waste gases throug...
Patent for an improved stovepipe or flue cleaner. It is a four-bladed fan that sits in an insert in ...
Patent for a new and improved car-ventilator. This design consists in "an eduction pipe arranged len...
Patent for improvements to cooling apparatus for buildings, especially distilleries and breweries. I...
Patent for a new and improved combined ventilator and chimney. This design consists in "[a] combined...
Patent for a new and improved combined chimney and ventilator. This design consists "[i]n a combined...
Patent for a new and improved ventilating chimney. This design consists in "the combination, with th...
Patent for improvements in ventilators and protectors for roofs relating to "a ventilating combing o...
Patent for a new and improved ventilator. This design is "to provide a ventilator which shall automa...
Patent for a new and improved ventilator. This design consists in "a fan casing, constructed and arr...
Patent for a new and improved ventilating attachment for hearths. This design "consists in extending...
Patent for improvements in chimney-cowls by providing a “self-operating smoke-conductor especially a...
Patent for chimney protectors "which can be readily applied and will secure a water-tight joint betw...
Patent for a new and improved ventilator for grain, etc. This design consists in "[t]he combination,...
The article is focused on the airflow in a ventilation system in a building. The work examines the m...
Patent for an apparatus for "condensing and saving the flue-dust passing with the waste gases throug...
Patent for an improved stovepipe or flue cleaner. It is a four-bladed fan that sits in an insert in ...
Patent for a new and improved car-ventilator. This design consists in "an eduction pipe arranged len...
Patent for improvements to cooling apparatus for buildings, especially distilleries and breweries. I...