Inventor

HOFFMAN JOHN W

US20 patents

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

HOFFMAN JOHN W

FEDERAL MOGUL WORLD WIDE INC

Spark plug with tapered fired-in suppressor seal

Method for forming layered heating element for glow plug

Spark plug with an improved seal

Method of fabricating a multilayer ceramic heating element

KIMBERLY CLARK CO

Apparatus for and method of applying an elastic material to a flexible backing

Method and apparatus for applying an elastic member

Manufacturing processes for absorbent articles with improved side seam bonding

TIMEKEEPING SYSTEMS INC

Tracking system for persons and/or objects

Display system for tracking large numbers of persons and/or objects

RAYCHEM CORP

Recoverable elastomeric sleeve and method for installation and use

LYKOWSKI JAMES D

Igniter system for igniting fuel

BROKEN HILL PTY CO LTD

Gas sensors and method of making such sensors

RAYCHEM GMBH

Cable blocking

(unassigned)

Safety cap for fluid valve

WALKER JR WILLIAM J

Method for forming layered heating element for glow plug

DIGI INT INC

Method and apparatus for configurable printed circuit board circuit layout pattern

FEDERAL MOGUL CORP

Small-diameter spark plug with resistive seal

ROGERS NORMAN L

Method and apparatus for printed circuit board with stiffener

HOFFMAN JOHN W

Method of assembling a small-diameter spark plug with resistive seal

MILLER KEVIN L

Spark plug having a plastic upper insulator and method of construction