Inventor

Frank Otto

Inventor
Hilden, DE

Overview

9→
Patents
1992–2017
Patent span
Chemistry
Primary field (CPC C)

Patents· 9 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification14%
B01DSeparation10%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds10%
C08JWorking-up10%
F16KValves10%
C02FTreatment of water, waste water, sewage, or sludge7%
F02BInternal-combustion piston engines7%
Y02TClimate change mitigation technologies related to transportation7%
B29BPreparation or pretreatment of the material to be shaped3%
B29CShaping or joining of plastics3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1995Patents assigned to GIANFRANCESCO JOHN J (2)· patent assignee history
1992–1995Based in Island Lake, IL, US· patent location history
1998–2017Based in Hilden, DE· patent location history
2003–2015Based in Esslingen, DE· patent location history
2014–2016Patents assigned to ALBERS REINHARD (2)· patent assignee history
2014–2016Patents assigned to BAYER MATERIALSCIENCE AG (2)· patent assignee history
2014–2016Patents assigned to LORENZ KLAUS (2)· patent assignee history
2014–2016Patents assigned to OTTO FRANK (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALBERS REINHARD22014–2016
BAYER MATERIALSCIENCE AG22014–2016
GIANFRANCESCO JOHN J21992–1995
LORENZ KLAUS22014–2016
OTTO FRANKself22014–2016
Locations
LocationPatentsSpan
Hilden, DE41998–2017
Island Lake, Illinois, US31992–1995
Esslingen, DE22003–2015