Inventor

DAVID R. PACK

Inventor
US

Overview

12→
Patents
2021–2025
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 12 as inventor

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

F01Dprimary
F01DNon-positive displacement machines or engines, e.g. steam turbines31%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants31%
Y02TClimate change mitigation technologies related to transportation25%
B22CFoundry moulding6%
F23RGenerating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers3%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact3%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2024Patents assigned to RAYTHEON TECH CORP (6)· patent assignee history
2021–2024Patents assigned to UNITED TECHNOLOGIES CORP (5)· patent assignee history
2021–2025Based in US· patent location history
2024–2025Patents assigned to RTX CORP (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RTX CORP72024–2025
RAYTHEON TECH CORP62021–2024
UNITED TECHNOLOGIES CORP52021–2024
Locations
LocationPatentsSpan
US122021–2025