Inventor

Robert H Roy

Inventor
Emmaus, PA, US

Overview

4→
Patents
2019–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E01Fprimary
E01FAdditional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like19%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for13%
G08GTraffic control systems13%
B60PVehicles adapted for load transportation or to transport, to carry, or to comprise special loads or objects6%
B60WConjoint control of vehicle sub-units of different type or different function6%
B64DEquipment for fitting in or to aircraft6%
F02CGas-turbine plants6%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants6%
F25BRefrigeration machines, plants or systems6%
G01SRadio direction-finding6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019–2020Patents assigned to ROYAL TRUCK & EQUIPMENT INC (3)· patent assignee history
2019–2020Based in Emmaus, PA, US· patent location history
2021Patents assigned to HAMILTON SUNDSTRAND CORP (1)· patent assignee history
2021Patents assigned to HAMILTON SUNSTRAND CORP (1)· patent assignee history
2021Based in West Springfield, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ROYAL TRUCK & EQUIPMENT INC32019–2020
HAMILTON SUNDSTRAND CORP12021
HAMILTON SUNSTRAND CORP12021
Locations
LocationPatentsSpan
Emmaus, Pennsylvania, US32019–2020
West Springfield, Massachusetts, US12021