Inventor
David L. Purdy
Inventor
Indiana, PA, US
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Nprimary
A61NElectrotherapy24%
G21HObtaining energy from radioactive sources24%
A61BDiagnosis12%
H10NElectric solid-state devices not otherwise provided for12%
G01NInvestigating or analysing materials by determining their chemical or physical properties9%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light6%
A61FFilters implantable into blood vessels3%
A61MDevices for introducing media into, or onto, the body3%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
5,562,729'Heart valve'19965,460,177'Method for non-invasive measurement of concentration of analytes in blood using continuous spectrum radiation'19955,379,764'Non-invasive determination of analyte concentration in body of mammals'19955,360,004'Non-invasive determination of analyte concentration using non-continuous radiation'19945,070,874'Non-invasive determination of glucose concentration in body of patients'19914,907,593'Adaptation of heart pacing to physical activity'19904,892,518'Hemodialysis'1990RE030028'Heart pacer'19794,041,956'Pacemakers of low weight and method of making such pacemakers'19774,006,039'Component for thermoelectric generator'19774,006,038'Heat reflecting tape for thermoelectric converter'19773,989,546'Thermoelectric generator with hinged assembly for fins'19763,989,547'Thermoelectric generator having a resiliently mounted removable thermoelectric module'19763,987,799'Heart pacer'19763,981,750'Electrical generator'19763,944,438'Generation of electrical power'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1977Patents assigned to ARCO MED PROD CO (5)· patent assignee history
1976–1977Patents assigned to CORATOMIC (3)· patent assignee history
1976–1979Based in Indiana, PA, US· patent location history
1990–1996Patents assigned to BIOCONTROL TECHNOLOGY INC (4)· patent assignee history
1990–1996Based in Marion Center, PA, US· patent location history
1994–1995Patents assigned to DIASENSE INC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ARCO MED PROD CO | 5 | 1976–1977 |
| BIOCONTROL TECHNOLOGY INC | 4 | 1990–1996 |
| CORATOMIC | 3 | 1976–1977 |
| DIASENSE INC | 3 | 1994–1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Indiana, Pennsylvania, US | 9 | 1976–1979 |
| Marion Center, Pennsylvania, US | 7 | 1990–1996 |