LexDanaLexDanabeta
Inventor

Richard J. Faehnrich

Inventor
Arlington Heights, IL, US

Overview

8→
Patents
1993–2015
Patent span
Physics
Primary field (CPC G)

Patents· 8 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G01Rprimary
G01RMeasuring electric variables33%
A61BDiagnosis7%
A61LMethods or apparatus for sterilising materials or objects in general7%
A61MDevices for introducing media into, or onto, the body7%
B01DSeparation7%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables7%
C02FTreatment of water, waste water, sewage, or sludge7%
F16KValves7%
H03JTuning resonant circuits7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
9,207,282'Smooth vi mode crossover method at compliance limit threshold'20156,806,727'Alternator testing method and system using ripple detection'20046,777,941'Alternator testing method and system using timed application of load'20046,664,791'Alternator tester with improved heat dissipation'20035,670,050'Method for detection of leakage of blood'19975,347,222'Signal/noise ratio optimization tuning system'19945,229,871'Optical data link for communicating data between a stationary member and a rotating member and an X-ray computer tomography apparatus incorporating the same'19935,206,709'Apparatus for sensing yarn movement and for signaling breakage of the yarn'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to REED CHATWOOD INC (1)· patent assignee history
1993–1997Based in Niles, IL, US· patent location history
1997Patents assigned to AKSYS LTD (1)· patent assignee history
2003Patents assigned to SNAP ON TECH INC (1)· patent assignee history
2003–2015Based in Arlington Heights, IL, US· patent location history
2004Patents assigned to SNAP ON TOOLS CORP (2)· patent assignee history
2015Patents assigned to FAEHNRICH RICHARD JOHN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SNAP ON TOOLS CORP22004
AKSYS LTD11997
FAEHNRICH RICHARD JOHNself12015
REED CHATWOOD INC11993
SNAP ON TECH INC12003
Locations
LocationPatentsSpan
Arlington Heights, Illinois, US42003–2015
Niles, Illinois, US41993–1997