Inventor

Peter van der Heem

Inventor
Perryville, MD, US

Overview

6→
Patents
1977–1989
Patent span
Chemistry
Primary field (CPC C)

Patents· 6 as inventor

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

C01Bprimary
C01BNon-metallic elements29%
C09DCoating compositions, e.g. paints, varnishes or lacquers14%
C12HPasteurisation, sterilisation, preservation, purification, clarification or ageing of alcoholic beverages14%
A61KPreparations for medical, dental or toiletry purposes7%
A61QSpecific use of cosmetics or similar toiletry preparations7%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals7%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds7%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties7%
C12CBeer7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1980Patents assigned to HUBER CORP J M (3)· patent assignee history
1977–1986Based in Perryville, MD, US· patent location history
1986Patents assigned to SCM CORP (1)· patent assignee history
1988Patents assigned to HEEM PETER V D (1)· patent assignee history
1988–1989Based in Baltimore, MD, US· patent location history
1989Patents assigned to SCM GLIDCO ORGANICS CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUBER CORP J M31977–1980
HEEM PETER V D11988
SCM CORP11986
SCM GLIDCO ORGANICS CORP11989
Locations
LocationPatentsSpan
Perryville, Maryland, US41977–1986
Baltimore, Maryland, US21988–1989