Inventor

RUDD WALLACE C

21 patents

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

RUDD WALLACE C

THERMATOOL CORP

High frequency induction welding with return current paths on surfaces to be heated

Induction welding of tubing with multiple induction coils

Matching apparatus for connecting high frequency solid state electrical power generator to a load

Heat exchanger panels

Method of manufacturing heat exchange panels

Methods and apparatus for heating metal parts with magnetically driven travelling electric arc

Severing metal strip with high frequency electrical current

Welding of fins to tubing

Method of producing areas of alloy metal on a metal part using electric currents

Methods and apparatus for heating metal parts with magnetically driven travelling electric arc

Surface hardening of metals using electric currents

High frequency in-line, electrical welding apparatus for small diameter metal tubing

Matching apparatus for connecting high frequency solid state electrical power

Apparatus and method for electrically butt welding of skelp edge faces which have been preheated

Method of manufacturing heat exchange panels

Method and apparatus for welding tapered metal poles

Electrical contact apparatus for high frequency welding

Embedment of hard particles in a metal surface

Solar panel elements and method of manufacture thereof

RUDD WALLACE C

Method and apparatus for high frequency electrical cast welding and surface hardening

LITTELFUSE INC

Electrical apparatus with a variable circuit protection device