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Inventor

Andrew H. Logan

Inventor
Rancho Palos Verdes, CA, US

Overview

5→
Patents
1980–2018
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

B64Cprimary
B64CAeroplanes50%
LOC1233%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
D0813143'Vertical take-off and landing (VTOL) winged air vehicle with complementary angled rotors'2018D0669012'High efficiency hub for pressure jet helicopters'20124,609,165'Helicopter auxiliary energy system'19864,519,559'Landing gear energy distribution and righting system'19854,200,252'Helicopter antitorque system using circulation control'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1986Based in Rancho Palos Verdes, CA, US· patent location history
1985–1986Patents assigned to HUGHES HELICOPTERS INC (2)· patent assignee history
2012Patents assigned to LOGAN ANDREW H (1)· patent assignee history
2012Patents assigned to PEGASUS HELICOPTER INC (1)· patent assignee history
2012Patents assigned to SPANOS MIKE (1)· patent assignee history
2012Based in Tempe, AZ, US· patent location history
2018Patents assigned to AEROVIRONMENT INC (1)· patent assignee history
2018Based in Thousand Oaks, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUGHES HELICOPTERS INC21985–1986
AEROVIRONMENT INC12018
LOGAN ANDREW Hself12012
PEGASUS HELICOPTER INC12012
SPANOS MIKE12012
Locations
LocationPatentsSpan
Rancho Palos Verdes, California, US31980–1986
Thousand Oaks, California, US12018
Tempe, AZ, US12012