Inventor

Donald R. Berdahl

Inventor
Scotia, NY, US

Overview

16→
Patents
1987–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 16 as inventor

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

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds18%
A01HNew plants or non-transgenic processes for obtaining them9%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for9%
A61KPreparations for medical, dental or toiletry purposes9%
A61QSpecific use of cosmetics or similar toiletry preparations9%
C07CAcyclic or carbocyclic compounds6%
C07DHeterocyclic compounds6%
A23BPreservation of foods, foodstuffs or non-alcoholic beverages3%
A23VIndexing scheme relating to foods, foodstuffs or non-alcoholic beverages and lactic or propionic acid bacteria used in foodstuffs or food preparation3%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1996Patents assigned to GEN ELECTRIC (11)· patent assignee history
1987Based in Schenectady, NY, US· patent location history
1988–1996Based in Scotia, NY, US· patent location history
2009–2021Based in Lawton, MI, US· patent location history
2013–2021Patents assigned to KALAMAZOO HOLDINGS INC (4)· patent assignee history
2013–2020Patents assigned to WELLER BRADLEY E (3)· patent assignee history
2013–2020Patents assigned to MELVIN JAMES C (2)· patent assignee history
2013Patents assigned to BERDAHL DONALD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN ELECTRIC111987–1996
KALAMAZOO HOLDINGS INC42013–2021
WELLER BRADLEY E32013–2020
MELVIN JAMES C22013–2020
BERDAHL DONALDself12013
Locations
LocationPatentsSpan
Scotia, New York, US91988–1996
Lawton, MI, US52009–2021
Schenectady, New York, US21987