Inventor

ANN BOLCAVAGE

Inventor

Overview

5→

Patents

2023–2025

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 5 as inventor

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

C04Bprimary

C04BLime, magnesia26%

F01DNon-positive displacement machines or engines, e.g. steam turbines26%

C23CCoating metallic material16%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants16%

B05BSpraying apparatus5%

F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g5%

Y02TClimate change mitigation technologies related to transportation5%

PatentTitleYear

12,404,219CMAS-resistant barrier coatings2025 11,976,013Composite coating layer for ceramic matrix composite substrate2024 11,952,317CMAS-resistant barrier coatings2024 11,739,650Hybrid airfoil coatings2023 11,655,543CMAS-resistant barrier coatings2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023–2025Patents assigned to ROLLS ROYCE CORP (5)· patent assignee history

2023–2025Patents assigned to ROLLS ROYCE PLC (4)· patent assignee history

2023Patents assigned to ROLLS ROYCE NAM TECH INC (2)· patent assignee history

2023–2025Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ROLLS ROYCE CORP	5	2023–2025
ROLLS ROYCE PLC	4	2023–2025
ROLLS ROYCE NAM TECH INC	2	2023

Locations

Location	Patents	Span
US	5	2023–2025