Inventor
Daniel A. Keller
Inventor
Reading, PA, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC08primary
LOC0831%
B05BSpraying apparatus8%
B65BMachines, apparatus or devices for, or methods of, packaging articles or materials8%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors8%
B67DDispensing, delivering or transferring liquids, not otherwise provided for8%
G01FMeasuring volume, volume flow, mass flow or liquid level8%
G01GWeighing8%
G06FElectric digital data processing8%
G06TImage data processing or generation, in general8%
G09BEducational or demonstration appliances8%
PatentTitleYear
10,527,483Automated dosage-dispensing system for powdery substances, and method of ascertaining that the system is ready for operation202010,496,253Tree-diagram design interface processes for creating surveys, simulations, and intelligent tutoring systems2019D0501392'Door handle'2005D0500242'Door handle'2004D0499952'Door handle'2004D0499632'Door handle'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2005Patents assigned to NEWFREY LLC (4)· patent assignee history
2004–2005Based in Reading, PA, US· patent location history
2019Patents assigned to KELLER DANIEL ALAN (1)· patent assignee history
2019Based in Portland, OR, US· patent location history
2020Patents assigned to METTLER TOLEDO GMBH (1)· patent assignee history
2020Based in Schaffhausen, CH· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEWFREY LLC | 4 | 2004–2005 |
| KELLER DANIEL ALANself | 1 | 2019 |
| METTLER TOLEDO GMBH | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Reading, Pennsylvania, US | 4 | 2004–2005 |
| Schaffhausen, CH | 1 | 2020 |
| Portland, OR, US | 1 | 2019 |