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Inventor

Richard W. Treharne

Inventor
Memphis, TN, US

Overview

14→
Patents
1977–2020
Patent span
Human necessities
Primary field (CPC A)

Patents· 14 as inventor

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

A61Bprimary
A61BDiagnosis20%
A61FFilters implantable into blood vessels20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry9%
C01BNon-metallic elements9%
C05CNitrogenous fertilisers6%
A01CPlanting3%
A61LMethods or apparatus for sterilising materials or objects in general3%
B05BSpraying apparatus3%
B29CShaping or joining of plastics3%
PatentTitleYear
10,736,749Meniscus prosthetic devices with anti-migration or radiopaque features202010,092,408Meniscus prosthetic devices with anti-migration or radiopaque features20189,795,488'Meniscus prosthetic devices with anti-migration or radiopaque features'20179,381,089'Meniscus prosthetic devices with anti-migration or radiopaque features'20165,062,844'Method and apparatus for the fixation of bone fractures, limb lengthening and the correction of deformities'19914,973,333'Resorbable compressing screw and method'19904,915,915'Water-powdered piezoelectric unit for producing nitrogen fertilizer'19904,776,329'Resorbable compressing screw and method'19884,731,084'Prosthetic ligament'19884,650,488'Biodegradable prosthetic device'19874,568,337'Ventilation tube permitting two-way gaseous communication with one-way liquid valve'19864,559,206'Arc reactor for fertilizer manufacture'19854,256,967'Arc reactor device'19814,010,897'Method and apparatus for home production and application of nitrogen fertilizer'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1981Patents assigned to KETTERING FOUND CHARLES F (2)· patent assignee history
1977–1985Based in Xenia, OH, US· patent location history
1985Patents assigned to BATTELLE DEVELOPMENT CORP (1)· patent assignee history
1986–1990Patents assigned to RICHARDS MEDICAL CO (5)· patent assignee history
1986–2020Based in Memphis, TN, US· patent location history
1990Based in Orlando, FL, US· patent location history
2016–2020Patents assigned to Active Implants LLC (4)· patent assignee history
2017Patents assigned to ACTIVE IMPLANTS CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICHARDS MEDICAL CO51986–1990
Active Implants LLC42016–2020
KETTERING FOUND CHARLES F21977–1981
ACTIVE IMPLANTS CORP12017
BATTELLE DEVELOPMENT CORP11985
Locations
LocationPatentsSpan
Memphis, TN, US101986–2020
Xenia, OH, US31977–1985
Orlando, Florida, US11990