Growing community of inventors

Quakertown, PA, United States of America

David Cooper

Average Co-Inventor Count = 8.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 7

David CooperBernard Kinker (2 patents)David CooperMatthias Fischer (2 patents)David CooperErnst Bielmeier (2 patents)David CooperMelanie Croessmann (2 patents)David CooperMartin Bollinger (2 patents)David CooperRobert Cybert (2 patents)David CooperAngelika Fischer (2 patents)David CooperMatthias Fischer (0 patent)David CooperMelanie CRÖSSMANN (0 patent)David CooperMelanie CRÖSSMANN (0 patent)David CooperDavid Cooper (2 patents)Bernard KinkerBernard Kinker (6 patents)Matthias FischerMatthias Fischer (5 patents)Ernst BielmeierErnst Bielmeier (4 patents)Melanie CroessmannMelanie Croessmann (3 patents)Martin BollingerMartin Bollinger (2 patents)Robert CybertRobert Cybert (2 patents)Angelika FischerAngelika Fischer (2 patents)Matthias FischerMatthias Fischer (0 patent)Melanie CRÖSSMANNMelanie CRÖSSMANN (0 patent)Melanie CRÖSSMANNMelanie CRÖSSMANN (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Rohmax Additives Gmbh (1 from 23 patents)

2. Evonik Rohmax Additives Gmbh (1 from 16 patents)

3. Evonik Oil Additives Gmbh (15 patents)


2 patents:

1. 8012919 - Oil composition for lubricating an EGR equipped diesel engine and an EGR equipped diesel engine comprising same

2. 7560420 - Oil composition for lubricating an EGR equipped diesel engine and an EGR equipped diesel engine comprising same

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/8/2025
Loading…