Inventor
Ralph C. Poplawsky
Inventor
Littleton, CO, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B60Rprimary
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for20%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors20%
H04BTransmission20%
H04MTelephonic communication20%
C03BManufacture, shaping, or supplementary processes10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
10,549,930Carrier brake for pneumatic transport system20209,988,221Carrier brake for pneumatic transport system20186,377,825'Hands-free wireless communication in a vehicle'20026,341,218'Supporting and connecting a portable phone'20024,190,184'Method of and apparatus for thermally cutting glass'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980Patents assigned to LIBBEY OWENS FORD CO (1)· patent assignee history
1980Based in Sylvania, OH, US· patent location history
2002Patents assigned to CELLPORT SYSTEMS INC (2)· patent assignee history
2002–2020Based in Littleton, CO, US· patent location history
2018–2020Patents assigned to TRANSLOGIC CORP (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CELLPORT SYSTEMS INC | 2 | 2002 |
| TRANSLOGIC CORP | 2 | 2018–2020 |
| LIBBEY OWENS FORD CO | 1 | 1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Littleton, CO, US | 4 | 2002–2020 |
| Sylvania, OH, US | 1 | 1980 |