Inventor

David M. Donofrio

Inventor

Scotts Valley, CA, US

Overview

5→

Patents

1978–1998

Patent span

Chemistry

Primary field (CPC C)

Patents· 5 as inventor

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

C12Mprimary

C12MApparatus for enzymology or microbiology22%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%

C12NMicroorganisms or enzymes11%

A61LMethods or apparatus for sterilising materials or objects in general6%

B01DSeparation6%

B01LChemical or physical laboratory apparatus for general use6%

C02FTreatment of water, waste water, sewage, or sludge6%

C07KPeptides6%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture6%

G01NInvestigating or analysing materials by determining their chemical or physical properties6%

PatentTitleYear

5,808,012'Protein-enriched thermoplastics'1998 5,108,704'Microfiltration apparatus with radially spaced nozzles'1992 4,999,298'Hollow fiber bioreactor culture system and method'1991 4,426,450'Fermentation process and apparatus'1984 4,081,367'Purification of waste water high in carbohydrates and simultaneous production of high protein feed product'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to BIO KINETICS INC (1)· patent assignee history

1978Based in Stinson Beach, CA, US· patent location history

1984Patents assigned to FERMENTEC CORP (1)· patent assignee history

1984–1998Based in Scotts Valley, CA, US· patent location history

1991–1992Patents assigned to GRACE W R & CO (2)· patent assignee history

1991–1992Based in Rockport, MA, US· patent location history

1998Patents assigned to PROTEIN POLYMER TECH INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GRACE W R & CO	2	1991–1992
BIO KINETICS INC	1	1978
FERMENTEC CORP	1	1984
PROTEIN POLYMER TECH INC	1	1998

Locations

Location	Patents	Span
Scotts Valley, California, US	2	1984–1998
Rockport, Massachusetts, US	2	1991–1992
Stinson Beach, California, US	1	1978