Inventor
Ernst Jan Siewers
Inventor
Alkmaar, NL
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B08Bprimary
B08BCleaning in general12%
D06FLaundering, drying, ironing, pressing or folding textile articles12%
A23DEdible oils or fats, e.g. margarines, shortenings or cooking oils8%
A61KPreparations for medical, dental or toiletry purposes8%
A61QSpecific use of cosmetics or similar toiletry preparations8%
C11BProducing, e.g. by pressing raw materials or by extraction from waste materials, refining or preserving fats, fatty substances, e.g. lanolin, fatty oils or waxes8%
C12MApparatus for enzymology or microbiology8%
D06LDry-cleaning, washing or bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods8%
D06PDyeing or printing textiles8%
F16JPistons8%
PatentTitleYear
10,876,253Method of dyeing a substrate comprising elastomeric fibre and non-elastomeric fibre, and a dyed subtrate comprising these fibres202010,463,053Dispersion structuring agent201910,064,418Dispersion structuring agent20189,752,273'Barrier densified fluid cleaning system'20179,518,355'Processes and compositions for dyeing or finishing fibrous materials'20169,091,017'Barrier densified fluid cleaning system'20158,984,916'System and method for washing articles employing a densified cleaning solution, and use of a fluid displacement device therein'20158,569,049'Photo bioreactor with light distributor and method for the production of a photosynthetic culture'20138,481,304'Photo bioreactor with light distributor and method for the production of a photosynthetic culture'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2015Patents assigned to SIEWERS ERNST-JAN (3)· patent assignee history
2013Patents assigned to WOERLEE GEERT FEYE (2)· patent assignee history
2013–2019Based in Alkmaar, NL· patent location history
2015–2017Patents assigned to CO2NEXUS INC (3)· patent assignee history
2017Based in Littleton, CO, US· patent location history
2018–2019Patents assigned to UPFIELD US INC (2)· patent assignee history
2018Patents assigned to AKKERMANS CYNTHIA (1)· patent assignee history
2020Based in Weesp, NL· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CO2NEXUS INC | 3 | 2015–2017 |
| SIEWERS ERNST-JANself | 3 | 2013–2015 |
| UPFIELD US INC | 2 | 2018–2019 |
| WOERLEE GEERT FEYE | 2 | 2013 |
| AKKERMANS CYNTHIA | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Alkmaar, NL | 7 | 2013–2019 |
| Weesp, NL | 1 | 2020 |
| Littleton, CO, US | 1 | 2017 |