Inventor

LUDWIG FRANK A

US44 patents

⚠️ This page may combine multiple inventors who share the name “LUDWIG FRANK A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LUDWIG FRANK A

HUGHES AIRCRAFT CO

Electrochemical synapses for artificial neural networks

Gas permeable electrode for electrochemical system

Method of monitoring trace constituents in plating baths

Method of monitoring acid concentration in plating baths

Acid-base concentration cell for electric power generation

Electrolytic pump

Sodium-sulfur thermal battery

Sulfuric acid thermoelectrochemical system and method

Thermoelectrochemical system and method

In-tank electrochemical sensor

Non-destructive method for evaluation of printed wiring boards

Electrode preconditioning method for a plating bath monitoring process

Electrochemical interconnection

Low temperature thermoelectrochemical system and method

Thermally regenerated fuel cell

Method for monitoring purification treatment in plating baths

Method and system for monitoring quality of phosphate coating

Method of monitoring major constituents in plating baths containing codepositing constituents

Gas-recirculating electrode for electrochemical system

Electrochemical capacitor

Method of monitoring major constituents in plating baths

Method of monitoring constituents in plating baths

Method of monitoring metal ion content in plating baths

In-tank conductivity sensor

Electroless plating apparatus

Electroless silver plating process and system

Method of in-situ formation of a stable reference electrode for in-tank plating bath analysis

FORD MOTOR CO

Alkali metal, sulfur battery or cell with single phase sulfur electrode

Secondary battery or cell with composite electrode

Energy conversion devices with improved electrode shapes

Sodium sulfur container with chromium/chromium oxide coating

Secondary battery or cell with polysulfide wettable electrode - #2

Sodium sulfur battery or cell with improved ampere-hour capacity

Alkali metal/sulfur cell with gas fuel cell electrode

Secondary battery or cell with pyrolytic graphite coated graphite current collector

Electrical conversion device with ceramic electrode

Secondary battery or cell with polysulfide wettable electrode #1

Secondary battery or cell with vitreous carbon coated graphite current collector

Secondary battery with separate charge and discharge zones

Secondary battery or cell with dual electrode

Sodium sulfur battery or cell with external storage

Secondary battery or cell

(unassigned)

Method of monitoring constituents in conversion coating baths

TECHNIC

Method of monitoring constituents in electroless plating baths