Inventor
David Mitchell
Inventor
Aesch, CH
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B05Bprimary
B05BSpraying apparatus17%
A23KFodder13%
C12NMicroorganisms or enzymes13%
Y10TTechnical subjects covered by former us classification13%
B01DSeparation8%
B60TVehicle brake control systems or parts thereof8%
A01CPlanting4%
A01GHorticulture4%
A61FFilters implantable into blood vessels4%
E05BLocks4%
PatentTitleYear
10,376,820Removing solids from a flowing fluid using a care-free pumped or gravity flow rotating drum screen with stationary stabilization assemblies20199,616,366'Care-free pumped or gravity flow rotating drum screen with stationary stabilization pad assemblies'20179,381,527'Liquid delivery apparatus'20167,048,145'Liquid delivery apparatus'20066,938,650'Filling apparatus'20056,699,704'Heat tolerant phytases'20046,681,812'Attachment for a vacuum pump'20046,446,683'Attachment for a vacuum pump'20026,358,722'Heat tolerant phytases'20026,291,221'Heat tolerant phytases'20015,927,107'Method and apparatus for locking a storage container'19995,316,215'Liquid delivery apparatus'19944,891,044'Ophthalmic aspirating/irrigating device'19904,628,861'Metering and proportioning system for a two-component liquid resin and liquid hardener adhesive'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986Patents assigned to CHEMBOND CORP (1)· patent assignee history
1994–2016Patents assigned to MITCHELL DAVID (3)· patent assignee history
2001–2004Patents assigned to ROCHE VITAMINS INC (3)· patent assignee history
2001–2004Based in Aesch, CH· patent location history
2002–2004Patents assigned to ABW AU PTY LTD (2)· patent assignee history
2004Based in Queensland, AU· patent location history
2005Based in Darra, AU· patent location history
2006–2016Based in Norfolk, GB· patent location history
2017–2019Patents assigned to PARKSON CORP (2)· patent assignee history
2017–2019Based in Wilmette, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITCHELL DAVIDself | 3 | 1994–2016 |
| ROCHE VITAMINS INC | 3 | 2001–2004 |
| ABW AU PTY LTD | 2 | 2002–2004 |
| PARKSON CORP | 2 | 2017–2019 |
| CHEMBOND CORP | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Aesch, CH | 3 | 2001–2004 |
| Wilmette, Illinois, US | 2 | 2017–2019 |
| Norfolk, GB | 2 | 2006–2016 |
| Darra, AU | 1 | 2005 |
| Queensland, AU | 1 | 2004 |