Frank A. Ludwig

Person

Rancho Palos Verdes, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of monitoring constituents in electroless plating baths
- Patent number 5,755,954
- Issue date May 26, 1998
- Technic, Inc.
- Frank A. Ludwig
- G01 - MEASURING TESTING
Information Patent Grant
Method of monitoring constituents in conversion coating baths
- Patent number 5,753,101
- Issue date May 19, 1998
- Frank A. Ludwig
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Thermoelectrochemical system and method
- Patent number 5,470,669
- Issue date Nov 28, 1995
- Hughes Aircraft Company
- Frank A. Ludwig
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of monitoring acid concentration in plating baths
- Patent number 5,391,271
- Issue date Feb 21, 1995
- Hughes Aircraft Company
- Frank A. Ludwig
- G01 - MEASURING TESTING
Information Patent Grant
Method of monitoring major constituents in plating baths
- Patent number 5,336,380
- Issue date Aug 9, 1994
- Hughes Aircraft Company
- Nguyet H. Phan
- G01 - MEASURING TESTING
Information Patent Grant
Method and system for monitoring quality of phosphate coating
- Patent number 5,324,399
- Issue date Jun 28, 1994
- Hughes Aircraft Company
- Frank A. Ludwig
- G01 - MEASURING TESTING
Information Patent Grant
Electrode preconditioning method for a plating bath monitoring process
- Patent number 5,324,400
- Issue date Jun 28, 1994
- Hughes Aircraft Company
- Bruce M. Eliash
- G01 - MEASURING TESTING
Information Patent Grant
Method of monitoring constituents in plating baths
- Patent number 5,320,724
- Issue date Jun 14, 1994
- Hughes Aircraft Company
- Frank A. Ludwig
- G01 - MEASURING TESTING
Information Patent Grant
Electrochemical synapses for artificial neural networks
- Patent number 5,315,162
- Issue date May 24, 1994
- Hughes Aircraft Company
- John McHardy
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Acid-base concentration cell for electric power generation
- Patent number 5,304,430
- Issue date Apr 19, 1994
- Hughes Aircraft Company
- Frank A. Ludwig
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method of monitoring major constituents in plating baths containing...
- Patent number 5,298,130
- Issue date Mar 29, 1994
- Hughes Aircraft Company
- Frank A. Ludwig
- G01 - MEASURING TESTING
Information Patent Grant
Method of monitoring metal ion content in plating baths
- Patent number 5,298,131
- Issue date Mar 29, 1994
- Hughes Aircraft Company
- Bruce M. Eliash
- G01 - MEASURING TESTING
Information Patent Grant
Method for monitoring purification treatment in plating baths
- Patent number 5,298,132
- Issue date Mar 29, 1994
- Hughes Aircraft Company
- Vilambi N. R. K. Reddy
- G01 - MEASURING TESTING
Information Patent Grant
Method of in-situ formation of a stable reference electrode for in-...
- Patent number 5,296,124
- Issue date Mar 22, 1994
- Hughes Aircraft Company
- Bruce M. Eliash
- G01 - MEASURING TESTING
Information Patent Grant
In-tank electrochemical sensor
- Patent number 5,296,123
- Issue date Mar 22, 1994
- Hughes Aircraft Company
- Vilambi N. R. K. Reddy
- G01 - MEASURING TESTING
Information Patent Grant
Electrochemical interconnection
- Patent number 5,290,423
- Issue date Mar 1, 1994
- Hughes Aircraft Company
- Carlyle L. Helber
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
In-tank conductivity sensor
- Patent number 5,287,060
- Issue date Feb 15, 1994
- Hughes Aircraft Company
- Vilambi N. Reddy
- G01 - MEASURING TESTING
Information Patent Grant
Electrolytic pump
- Patent number 5,252,192
- Issue date Oct 12, 1993
- Hughes Aircraft Company
- Frank A. Ludwig
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Thermally regenerated fuel cell
- Patent number 5,208,112
- Issue date May 4, 1993
- Hughes Aircraft Company
- Frank A. Ludwig
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas-recirculating electrode for electrochemical system
- Patent number 5,087,534
- Issue date Feb 11, 1992
- Hughes Aircraft Company
- Frank A. Ludwig
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sodium-sulfur thermal battery
- Patent number 4,977,044
- Issue date Dec 11, 1990
- Hughes Aircraft Company
- Frank A. Ludwig
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Non-destructive method for evaluation of printed wiring boards
- Patent number 4,939,469
- Issue date Jul 3, 1990
- Hughes Aircraft Company
- Frank A. Ludwig
- G01 - MEASURING TESTING
Information Patent Grant
Gas permeable electrode for electrochemical system
- Patent number 4,865,925
- Issue date Sep 12, 1989
- Hughes Aircraft Company
- Frank A. Ludwig
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sulfuric acid thermoelectrochemical system and method
- Patent number 4,810,596
- Issue date Mar 7, 1989
- Hughes Aircraft Company
- Frank A. Ludwig
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrochemical capacitor
- Patent number 4,766,522
- Issue date Aug 23, 1988
- Hughes Aircraft Company
- John McHardy
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low temperature thermoelectrochemical system and method
- Patent number 4,738,904
- Issue date Apr 19, 1988
- Hughes Aircraft Company
- Frank A. Ludwig
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of monitoring trace constituents in plating baths
- Patent number 4,631,116
- Issue date Dec 23, 1986
- Hughes Aircraft Company
- Frank A. Ludwig
- G01 - MEASURING TESTING
Information Patent Grant
Electroless plating apparatus
- Patent number 4,616,596
- Issue date Oct 14, 1986
- Hughes Aircraft Company
- Carlyle L. Helber
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Electroless silver plating process and system
- Patent number 4,550,036
- Issue date Oct 29, 1985
- Hughes Aircraft Company
- Frank A. Ludwig
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Frank A. Ludwig

Person

Patents Grantslast 30 patents

Method of monitoring constituents in electroless plating baths

Method of monitoring constituents in conversion coating baths

Thermoelectrochemical system and method

Method of monitoring acid concentration in plating baths

Method of monitoring major constituents in plating baths

Method and system for monitoring quality of phosphate coating

Electrode preconditioning method for a plating bath monitoring process

Method of monitoring constituents in plating baths

Electrochemical synapses for artificial neural networks

Acid-base concentration cell for electric power generation

Method of monitoring major constituents in plating baths containing...

Method of monitoring metal ion content in plating baths

Method for monitoring purification treatment in plating baths

Method of in-situ formation of a stable reference electrode for in-...

In-tank electrochemical sensor

Electrochemical interconnection

In-tank conductivity sensor

Electrolytic pump

Thermally regenerated fuel cell

Gas-recirculating electrode for electrochemical system

Sodium-sulfur thermal battery

Non-destructive method for evaluation of printed wiring boards

Gas permeable electrode for electrochemical system

Sulfuric acid thermoelectrochemical system and method

Electrochemical capacitor

Low temperature thermoelectrochemical system and method

Method of monitoring trace constituents in plating baths

Electroless plating apparatus

Electroless silver plating process and system