Inventor

FREIDHOFF CARL B

US26 patents

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

FREIDHOFF CARL B

NORTHROP GRUMMAN CORP

Micro-miniature diaphragm pump for the low pressure pumping of gases

Miniaturized mass filter

Systems and methods for use in detecting harmful aerosol particles

Thin film encapsulation of MEMS devices

Mercury wetted switch

Micro-miniature ionizer for gas sensor applications and method of making micro-miniature ionizer

Thin film encapsulation of MEMS devices

Miniature mass spectrometer for the analysis of chemical and biological solid samples

Miniature mass spectrometer for the analysis of biological small molecules

MEMS mass spectrometer

Systems and methods for use in detecting harmful aerosol particles

Systems and methods for use in detecting harmful aerosol particles

Antenna system using time delays with mercury wetted switches

Solid state detector for sensing low energy charged particles

Thin film encapsulation of MEMS devices

Compact ion gauge using micromachining and MISOC devices

WESTINGHOUSE ELECTRIC CORP

Micro-miniature piezoelectric diaphragm pump for the low pressure pumping of gases

Solid state micro-machined mass spectrograph universal gas detection sensor

Method for manufacturing a miniaturized solid state mass spectrograph

Thin film preconcentrator array

Vacuum interrupter with simplified enclosure and method of assembly

NORTHROP GRUMMAN SYSTEMS CORP

MEMS piezoelectric switch

Tapered magnetic ion transport tunnel for particle collection

Radiation shield

Space ion analyzer with mass spectrometer on a chip (MSOC) using floating MSOC voltages

EATON CORP

Electrical contact containing a braze diffusion barrier