Inventor

Rolf Gerhardt

Inventor
Hammersbach, DE

Overview

5→
Patents
1997–2011
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

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

C03Cprimary
C03CChemical composition of glasses, glazes or vitreous enamels18%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry12%
C03BManufacture, shaping, or supplementary processes12%
C04BLime, magnesia12%
A61KPreparations for medical, dental or toiletry purposes6%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds6%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties6%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general6%
G02BOptical elements, systems or apparatus6%
H01JElectric discharge tubes or discharge lamps6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2011Patents assigned to HERAEUS QUARZGLAS (5)· patent assignee history
1997–2011Based in Hammersbach, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HERAEUS QUARZGLAS51997–2011
Locations
LocationPatentsSpan
Hammersbach, DE51997–2011