Inventor

John L. Haack

Inventor

Pittsford, NY, US

Overview

12→

Patents

1986–2001

Patent span

Physics

Primary field (CPC G)

Patents· 12 as inventor

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

G03Gprimary

G03GElectrography33%

C09KMaterials for miscellaneous applications, not provided for elsewhere17%

C07CAcyclic or carbocyclic compounds11%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors6%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%

G06TImage data processing or generation, in general6%

G09BEducational or demonstration appliances6%

G16CComputational chemistry6%

PatentTitleYear

6,227,768'Particulate conveyor device and apparatus'2001 5,461,580'Computer-aided chemical illustration system'1995 5,308,363'Process for quaternary ammonium bisulfates'1994 5,288,580'Toner and processes thereof'1994 5,114,821'Toner and developer compositions with charge enhancing additives'1992 5,045,423'Toner and developer compositions with charge enhancing additives'1991 4,939,061'Toner compositions with negative charge enhancing additives'1990 4,937,157'Toner and developer compositions with charge enhancing additives'1990 4,898,802'Toner compositions with organo boron negative charge enhancing additives'1990 4,704,220'Oil-in-alcohol microemulsions in antifreeze'1987 4,687,590'Oil-in-alcohol microemulsion containing oil-soluble corrosion inhibitor in antifreeze'1987 4,613,445'Organophosphate-containing antifreeze'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to UNION CARBIDE CORP (1)· patent assignee history

1986Based in Elmsford, NY, US· patent location history

1987Patents assigned to FIRST BRANDS CORP (2)· patent assignee history

1987Based in Tittsford, NY, US· patent location history

1987Based in Tarrytown, NY, US· patent location history

1990–2001Patents assigned to XEROX CORP (9)· patent assignee history

1990–1995Based in Pittsford, NY, US· patent location history

2001Based in Milford, CT, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
XEROX CORP	9	1990–2001
FIRST BRANDS CORP	2	1987
UNION CARBIDE CORP	1	1986

Locations

Location	Patents	Span
Pittsford, New York, US	8	1990–1995
Milford, CT, US	1	2001
Tittsford, New York, US	1	1987
Tarrytown, New York, US	1	1987
Elmsford, New York, US	1	1986