Inventor

WOHLTJEN HENRY

24 patents

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

WOHLTJEN HENRY

MICROSENSOR SYS INC

Apparatus for gas-monitoring and method of conducting same

Materials, method and apparatus for detection and monitoring of chemical species

Method and apparatus for chemical detection by pyrolysis

System, apparatus and method for concentrating chemical vapors

System and method for limiting sensor exposure to ozone

System, apparatus and method for dispensing chemical vapor

System, apparatus and method for dispensing chemical vapor

Method and apparatus for gas measurement at substantially constant pressure

US NAVY

Materials, method and apparatus for detection and monitoring of chemical species

Organic semiconductor vapor sensing method

Reversible optical waveguide vapor sensor

Method for bonding insulator to insulator

Method and apparatus for the detection of toxicants

Mixed semiconductor film device for monitoring gases

Method and apparatus for determination of lubricant stability

WOHLTJEN HENRY

Methods of detection with surface acoustic wave and apparati therefor

Personnel location and monitoring system and method for enclosed facilities

Electronic sphygmomanometer

TD TOOLS INC

Apparatus and method for high pressure abrasive fluid injection

High pressure abrasive fluid injection

KEOWN SAM

Hand hygiene complicance confirmation system

DOTSON THOMAS L

Apparatus and method for high pressure abrasive fluid injection

ENMET LLC

System and method for gas concentration measurement

SPECTRO SCIENT INC

Portable fuel dilution meter and method