Inventor
Yan Qiu
Inventor
Marshalltown, IA, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations18%
A61KPreparations for medical, dental or toiletry purposes14%
F16KValves14%
C07KPeptides7%
Y10TTechnical subjects covered by former us classification7%
B01FMixing, e.g. dissolving, emulsifying or dispersing4%
B05BSpraying apparatus4%
C07DHeterocyclic compounds4%
C12NMicroorganisms or enzymes4%
F16JPistons4%
PatentTitleYear
10,655,745Quick change valve trim assembly202010,456,451Protease-resistant mutants of stromal cell derived factor-1 in the repair of tissue damage201910,371,374Multi-cone, multi-stage spray nozzle201910,314,794Metoprolol sustained-release composition and preparation method thereof201910,295,430Assembly for start-up testing fluid flow control devices at various pressures and temperatures201910,174,015Substituted heterocyclic derivative, preparation method and use thereof20199,732,873'Valve seat apparatus for use with fluid valves'20179,308,277'Protease-resistant mutants of stromal cell derived factor-1 in the repair of tissue damage'20169,303,773'Valve seat apparatus for use with fluid valves'20168,530,150'Detection of risk of pre-eclampsia'20135,801,013'Helicobacter aminoacyl-tRNA synthetase proteins, nucleic acids and strains comprising same'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2016Patents assigned to QIU YAN (3)· patent assignee history
2013Patents assigned to BATES DAVID OWEN (1)· patent assignee history
2013Patents assigned to BILLS VICTORIA LOUISE (1)· patent assignee history
2016Patents assigned to ALMAN PAUL TAYLOR (1)· patent assignee history
2016–2019Based in Jamaica Plain, MA, US· patent location history
2016–2017Based in Tianjin, CN· patent location history
2017–2020Patents assigned to FISHER CONTROLS INT LLC (4)· patent assignee history
2019–2020Based in Marshalltown, IA, US· patent location history
2019Based in Beijing, CN· patent location history
2019Based in Xiamen, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FISHER CONTROLS INT LLC | 4 | 2017–2020 |
| QIU YANself | 3 | 2013–2016 |
| ALMAN PAUL TAYLOR | 1 | 2016 |
| BATES DAVID OWEN | 1 | 2013 |
| BILLS VICTORIA LOUISE | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Marshalltown, IA, US | 3 | 2019–2020 |
| Jamaica Plain, Massachusetts, US | 2 | 2016–2019 |
| Tianjin, CN | 2 | 2016–2017 |
| Beijing, CN | 1 | 2019 |
| Xiamen, CN | 1 | 2019 |