Inventor

David Price

Inventor

Portland, OR, US

Overview

3→

Patents

1983–2020

Patent span

Human necessities

Primary field (CPC A)

Patents· 3 as inventor

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

A01Bprimary

A01BSoil working in agriculture or forestry20%

A61BDiagnosis20%

B66FHoisting, lifting, hauling or pushing, not otherwise provided for, e.g. devices which apply a lifting or pushing force directly to the surface of a load20%

F15BSystems acting by means of fluids in general20%

G01NInvestigating or analysing materials by determining their chemical or physical properties20%

PatentTitleYear

10,677,764Temperature estimation and tissue detection of an ultrasonic dissector from frequency response monitoring2020 7,104,181'Hydraulic control circuit for a hydraulic lifting cylinder'2006 4,397,359'Tractor hitch with yoke having pivotally supported upper end'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–2006Patents assigned to DEERE & CO (2)· patent assignee history

1983Based in Kentwood, MI, US· patent location history

2006Based in Staffordshire, GB· patent location history

2020Patents assigned to COVIDIEN LP (1)· patent assignee history

2020Based in Portland, OR, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DEERE & CO	2	1983–2006
COVIDIEN LP	1	2020

Locations

Location	Patents	Span
Portland, OR, US	1	2020
Staffordshire, GB	1	2006
Kentwood, MI, US	1	1983