Inventor

ANDREW P. PERR

Inventor

Overview

4→

Patents

2022–2025

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 4 as inventor

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

F02Fprimary

F02FCylinders, pistons or casings, for combustion engines24%

F01BMachines or engines, in general or of positive-displacement type, e.g. steam engines12%

F01PCooling of machines or engines in general12%

F02BInternal-combustion piston engines12%

B22CFoundry moulding6%

B22DCasting of metals6%

B28BShaping clay or other ceramic compositions6%

B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering6%

F01LCyclically operating valves for machines or engines6%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof6%

PatentTitleYear

12,286,940Parent bore cylinder block of an opposed-piston engine2025 11,725,605Cylinder head bolt boss cutouts2023 11,441,512Engine cooling system including cooled exhaust seats2022 11,326,569Fuel injector mounting assembly for an opposed-piston engine2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2025Patents assigned to ACHATES POWER INC (2)· patent assignee history

2022–2023Patents assigned to CUMMINS INC (2)· patent assignee history

2022–2025Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ACHATES POWER INC	2	2022–2025
CUMMINS INC	2	2022–2023

Locations

Location	Patents	Span
US	4	2022–2025