Inventor

Robert M. Johnson

Inventor

Kenmore, NY, US

Overview

27→

Patents

1976–2009

Patent span

Performing operations

Primary field (CPC B)

Patents· 27 as inventor

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

C04Bprimary

C04BLime, magnesia10%

Y02WClimate change mitigation technologies related to wastewater treatment or waste management8%

A01GHorticulture6%

A01KAnimal husbandry6%

B23DPlaning6%

B28BShaping clay or other ceramic compositions6%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%

Y10TTechnical subjects covered by former us classification6%

B28CPreparing clay4%

C07CAcyclic or carbocyclic compounds4%

PatentTitleYear

D0594399'Air intake stack'2009 7,393,667'Stereoselective reduction process for the preparation of pyrrolotriazine compounds'2008 7,163,725'Display tree with bubble trunk'2007 7,024,992'Mobile side-load metal crushing device'2006 4,890,493'Automatic tank reading gauge'1990 4,867,607'Linkage apparatus having a mechanism for dampening vibrations'1989 4,622,494'Signalling device'1986 4,549,327'Cleaner and chalk dust receptacle for chalk board erasers'1985 4,543,159'Reinforced cement sheet product containing no asbestos for fabricating on Hatschek machine'1985 4,465,019'Method for deodorizing animal waste and preparing pet litter'1984 4,455,271'Foamed gypsum wallboard'1984 4,447,662'Beta-dicarbonyl compounds for the promotion of aromatic nitration by nitrogen tetroxide'1984 4,428,775'Reinforced cement sheet product containing no asbestos for fabricating on hatschek machine'1984 4,424,763'Citrus pulp litter for pet animals'1984 4,417,080'Solvent modification of nitrations by N.sub.2 O.sub.4 /metal acetylacetonate systems'1983 4,411,962'Induced or constrained superplastic laminates for forming'1983 4,386,580'Animal litter and method for deodorizing animal waste with dried citrus pulp'1983 4,377,415'Reinforced cement sheet product containing wollastonite for reduced shrinkage'1983 4,363,666'Reinforced cement sheet product containing fibers other than asbestos, clay and thickener'1982 4,344,229'Flexible tree saw'1982 4,240,203'Flexible saw'1980 4,193,188'Flexible saw'1980 4,192,166'Decorated metal objects drawn from decorated blanks'1980 4,058,112'Head positioner and arm rest for eye surgery'1977 4,057,443'Foamed gypsum wallboard'1977 4,057,662'Block-resistant gypsum board'1977 3,985,610'Water-resistant asbestos-cement'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1985Patents assigned to NAT GYPSUM CO (8)· patent assignee history

1976–1985Based in Kenmore, NY, US· patent location history

1977–2007Patents assigned to JOHNSON ROBERT M (9)· patent assignee history

1980–1984Based in Weston, CT, US· patent location history

1983–1984Patents assigned to AIR PROD & CHEM (2)· patent assignee history

1983–1984Patents assigned to GREEN MOUNTAIN PRODUCTS INC (2)· patent assignee history

1983–1984Based in San Mateo, CA, US· patent location history

1989–2006Based in South Haven, MN, US· patent location history

2008Patents assigned to BRISTOL MYERS SQUIBB CO (1)· patent assignee history

2009Based in Westerly, RI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
JOHNSON ROBERT Mself	9	1977–2007
NAT GYPSUM CO	8	1976–1985
AIR PROD & CHEM	2	1983–1984
GREEN MOUNTAIN PRODUCTS INC	2	1983–1984
BRISTOL MYERS SQUIBB CO	1	2008

Locations

Location	Patents	Span
Kenmore, New York, US	8	1976–1985
Weston, CT, US	6	1980–1984
South Haven, Minnesota, US	2	1989–2006
San Mateo, California, US	2	1983–1984
Westerly, RI, US	1	2009