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Inventor

Roland Sand

Inventor
Neupolz, DE

Overview

2→
Patents
1991–1992
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

B63Hprimary
B63HMarine propulsion or steering25%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general25%
F02BInternal-combustion piston engines25%
Y02TClimate change mitigation technologies related to transportation25%
PatentTitleYear
5,167,934'Catalyzer installation for boat engines and method for catalytic exhaust gas cleaning'19925,066,255'Drive arrangement for a planing boat'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to SAND ROLAND (1)· patent assignee history
1991Based in Neupotz, DE· patent location history
1992Patents assigned to KST MOTORENVERSUCH GMBH CO (1)· patent assignee history
1992Based in Neupolz, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KST MOTORENVERSUCH GMBH CO11992
SAND ROLANDself11991
Locations
LocationPatentsSpan
Neupolz, DE11992
Neupotz, DE11991