METHOD OF MONITORING AND MAINTAINING CONCENTRATION OF DEPLETABLE WORK SOLUTIONS

• US 3,490,467 A
• Filed: 02/23/1967
• Issued: 01/20/1970
• Est. Priority Date: 07/11/1966
• Status: Expired due to Term

• Current Assignee: Edward B. Tooper, Paul E. Leising, William H. Gore
• Original Assignee: Edward B. Tooper, Paul E. Leising, William H. Gore
• Inventors: Gore, William H., Leising, Paul E., Tooper, Edward B.
• Application Number:
  US04/645,075
• Time in Patent Office: 1,062 Days
• US Class Current: 134/18
• CPC Class Codes: A47L 15/0049 Detection or prevention of malfunction, including accident prevention arrangements to prevent clogging of filters A47L15/4208; safety arrangements for preventing water damage A47L15/421
• CPC Class Codes: A47L 15/0055 Metering or indication of used products, e.g. type or quantity of detergent, rinse aid or salt; for measuring or controlling the product concentration
• CPC Class Codes: A47L 15/241 the dishes moving in a horizontal plane
• CPC Class Codes: A47L 15/4418 in the form of liquids A47L15/4409, A47L15/4436, A47L15/4445 take precedence
• CPC Class Codes: A47L 2401/023 Quantity or concentration of the consumable product
• CPC Class Codes: A47L 2401/30 Variation of electrical, magnetical or optical quantities
• CPC Class Codes: A47L 2501/07 Consumable products, e.g. detergent, rinse aids or salt
• CPC Class Codes: A47L 2501/26 Indication or alarm to the controlling device or to the user
• CPC Class Codes: C23C 22/77 Controlling or regulating of the coating process
• CPC Class Codes: C23G 1/00 Cleaning or pickling metallic material with solutions or molten salts with organic solvents C23G5/02

Claims