Inventor

LILIENFELD PEDRO

US10 patents

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

TRC COMPANIES INC

3 patents

US5349844ASep 27, 1994

System and method for resonant filter mass monitoring

TRC COMPANIES INC57 citations94

US5319575AJun 7, 1994

System and method for determining and outputting airborne particle concentration

TRC COMPANIES INC47 citations91

US4940327AJul 10, 1990

Method and apparatus for real time asbestos aerosol monitoring

TRC COMPANIES INC36 citations91

GCA CORP

2 patents

US4402607ASep 6, 1983

Automatic detector for microscopic dust on large-area, optically unpolished surfaces

GCA CORP26 citations75

US4320975AMar 23, 1982

Passive smoke plume opacity monitor

GCA CORP10 citations73

THERMO ELECTRON CORP

1 patent

US7197911B1Apr 3, 2007

Methods and apparatus for mechanical resonance monitoring a mass concentration of particulate matter

THERMO ELECTRON CORP17 citations92

MIE CORP

1 patent

US6055052AApr 25, 2000

System for, and method of, monitoring airborne particulate, including particulate of the PM2.5 class

MIE CORP57 citations92

LILIENFELD PEDRO

1 patent

US7111496B1Sep 26, 2006

Methods and apparatus for monitoring a mass concentration of particulate matter

LILIENFELD PEDRO67 citations89

THERMO FISHER SCIENTIFIC INC

1 patent

US8351035B2Jan 8, 2013

Particulate detection and calibration of sensors

THERMO FISHER SCIENTIFIC INC13 citations78

MSP CORP

1 patent

US7830510B2Nov 9, 2010

Apparatus for high-accuracy fiber counting in air

MSP CORP6 citations58