Inventor
Harry D. Ruhl, Jr.
Inventor
Midland, MI, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties30%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%
B07CPostal sorting10%
B29BPreparation or pretreatment of the material to be shaped10%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds10%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light10%
G06FElectric digital data processing10%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management10%
PatentTitleYear
5,592,402'Method for interpreting complex data and detecting abnormal instrumentor process behavior'19975,357,336'Method and apparatus for multivariate characterization of optical instrument response'19945,151,474'Process control method for manufacturing polyolefin'19925,134,291'Method for sorting used plastic containers and the like'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1997Patents assigned to DOW CHEMICAL CO (4)· patent assignee history
1992–1997Based in Midland, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOW CHEMICAL CO | 4 | 1992–1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Midland, MI, US | 4 | 1992–1997 |