Inventor

MARPLE VIRGIL A

US24 patents

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

MARPLE VIRGIL A

MSP CORP

High accuracy aerosol impactor and monitor

Method and apparatus for thin film deposition on large area substrates

Diesel particle virtual impactor sampler

Method and apparatus for cascade impactor testing of inhalable drug therapies recovery for chemical analysis

Efficient high-productivity cascade impactors

Low particle loss cascade impactor

Volumetric flow controller for aerosol classifier

Cascade impactor with individually driven impactor plates

Pre-separator for inlets of cascade impactors

Method and apparatus for verifying integrity of cascade impactors

Sampler for eliminating particle-related artifacts for flue gas measurement

Impactor nozzle plate

Mixing devices for sample recovery from a USP induction port or a pre-separator

Particle sampling and measurement in the ambient air

UNIV MINNESOTA

High volume virtual impactor

High volume PM10 sampling inlet

Particle concentrating sampler

Impactor apparatus

Multiple nozzle single stage impactor

Cartridge personal sampling impactor

WET ELECTROSTATIC TECHNOLOGY I

Electrostatic precipitator assembly

US NAVY

Omni-directional inlet for particulate collection

US INTERIOR

Precision aerosol divider

LIU BENJAMIN Y H

Method and apparatus for generating dry dust particles