Inventor

David E. Ripple

Inventor
Kirtland, OH, US

Overview

16→
Patents
1978–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 16 as inventor

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

C10Mprimary
C10MLubricating compositions30%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions30%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds10%
C10LFuels not otherwise provided for10%
F02BInternal-combustion piston engines8%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%
F02FCylinders, pistons or casings, for combustion engines4%
A45CPurses2%
A47GHousehold or table equipment2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–2003Patents assigned to LUBRIZOL CORP (15)· patent assignee history
1978–2003Based in Kirtland, OH, US· patent location history
2021Patents assigned to RIPPLE DAVID (1)· patent assignee history
2021Based in Aberdeen, NJ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LUBRIZOL CORP151978–2003
RIPPLE DAVIDself12021
Locations
LocationPatentsSpan
Kirtland, OH, US151978–2003
Aberdeen, New Jersey, US12021