Inventor

Douglas Bruce JELSTAD

Inventor

Overview

4→

Patents

2024–2025

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.

B25Jprimary

B25JManipulators27%

F16LPipes20%

B29CShaping or joining of plastics13%

B29LIndexing scheme associated with subclass b29c, relating to particular articles13%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts7%

F04BPositive-displacement machines for liquids7%

F16KValves7%

Y10TTechnical subjects covered by former us classification7%

PatentTitleYear

12,330,295Tapered hydraulic hose, methods of making, and applications thereof in robot systems2025 12,129,944Hydraulic fitting, and applications thereof in robot systems2024 12,011,867Hydraulic fitting, and applications thereof in robot systems2024 11,913,562Valve, and applications thereof in robot systems2024

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024–2025Patents assigned to SANCTUARY COGNITIVE SYSTEMS CORP (4)· patent assignee history

2024–2025Based in CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SANCTUARY COGNITIVE SYSTEMS CORP	4	2024–2025

Locations

Location	Patents	Span
CA	4	2024–2025