Automobile 801 to 900 Toward the end of this series of patents, Ott was the superintendent of experimenters for Edison. – Compressing-Dies (1904) – Process of Separating Ores from Magnetic Gangue – Storage-Battery Tray – Reversible Galvanic Battery – Stock-House Conveyor – Method of Burning Portland-Cement Clinker, &c. – Apparatus for Burning Portland-Cement Clinker &c. – Magnetic Separating Apparatus – Method of Separating Mechanically-Entrained Globules from Gases – Primary Battery – Apparatus for Vacuously Depositing Metals – Method of Rendering Storage-Battery Gases Non-Explosive – Photographic Film for Moving-Picture Machines – Vehicle-Wheel – Rotary Cement-Kiln – Dry Separator – Gas-Separator for Storage Batteries – Process of Duplicating Phonographic Records – Lamp-Guard – Sheet Metal for Perforated Pockets of Storage Batteries – Phonograph-Record and Method of Making the Same – Apparatus for Burning Portland-Cement Clinker – Apparatus for Perforating Sheet Metal – Cement-Kiln – Pocket-Filling Machine – Process of Treating Alkaline – Storage Battery – Process of Cleaning Metallic Surfaces – Storage-Battery-Filling Apparatus – Gas-Separator for Storage Batteries – Process of Treating Alkaline Storage Batteries – Process of Making Metallic Films or Flakes – Process of Making Metallic Flakes or Scales – Process for Making Conducting-Films – Calcining-Furnace – Alkaline Battery – Process of Making Composite Metals – Storage-Battery Electrode-Plate – Sound-Recording Apparatus – Automatic Weighing and Mixing Apparatus – Method of Coating Active Material with Flake-Like Conducting Material – Phonograph Record or Blank – Apparatus for Grinding and Separating Fine Materials – Electrical Welding Apparatus – Composite Metal – Process of Making Articles by Electroplating – Secondary Battery – Secondary Battery – Process of Making Storage-Battery Electrodes – Diaphragm for Talking-Machines – Can or Receptacle for Storage Batteries – Storage-Battery Electrode – Primary and Secondary Battery – Storage-Battery Electrode – Portland Cement and Process of Manufacturing the Same – Can or Receptacle for Storage Batteries – Discharging Apparatus for Belt Conveyors – Process of Making Seamless Tubular Pockets or Receptacles for Storage Battery Electrodes – Fluorescent Electric Lamp – Process of Making Nickel Films – Process of Making Metallic Films or Flakes – Apparatus for Producing Perforated Strips – Reversible Galvanic Battery – Feed-Regulator for Grinding-Machines – Reversible Galvanic Battery – Electrolyte for Alkaline Storage Batteries – Alkaline Storage Battery – Apparatus for Producing Very Thin Sheet Metal – Process of Producing Very Thin Sheet Metal – Electrode Element for Storage Batteries – Method of Making Storage-Battery Electrodes – Storage-Battery Electrode