Inventor
James F. Stewart
Inventor
Kitchener, CA
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A01Nprimary
A01NPreservation of bodies of humans or animals or plants or parts thereof13%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them13%
Y10TTechnical subjects covered by former us classification9%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
G03DApparatus for processing exposed photographic materials6%
A23CDairy products, e.g. milk, butter or cheese3%
A23KFodder3%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for3%
A47JKitchen equipment3%
B26FPerforating3%
PatentTitleYear
8,817,241'Oil in water analyzer'20148,570,497'Oil in water analyzer'20138,101,551'Production and use of endophytes as novel inoculants for promoting enhanced plant vigor, health, growth, yield reducing environmental stress and for reducing dependency on chemical pesticides for pest control'20127,247,602'Agrochemical formulation aid composition and uses thereof'20077,001,610'Food supplement and use thereof for elevating levels of essential fatty acids in livestock and products therefrom'20066,936,572'Agrochemical formulation aid composition and uses thereof'20055,330,131'Engines-only flight control system'19944,934,209'Steering column mounted transmission gear shift mechanism having ignition key interlock'19904,767,994'Multi-purpose voltametric analyzer'19884,629,436'Personal flotation assistance device'19864,514,902'Food pouch opening device'19854,427,440'Herbicides based on cyclohexane-1,3-dione derivatives and 3,6-dichloro-2-picolinic acid derivatives'19844,341,465'Exposure control for subtractive photographic printer'19824,313,677'Neghold assembly for photographic printer'19824,243,314'Adjustable width punch marking apparatus for photographic printer'19814,218,801'Film guide for use with film cleaning apparatus'19804,147,427'Variable working distance photographic printer with stationary paper magazines'1979D0249267'Combined self-propelled tractor and mowing apparatus'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1982Based in Shoreview, MN, US· patent location history
1979–1982Patents assigned to PAKO CORP (5)· patent assignee history
1985–2013Patents assigned to STEWART JAMES F (4)· patent assignee history
1988–2014Based in Bartlesville, OK, US· patent location history
1990Based in Clawson, MI, US· patent location history
1994Based in Lancaster, CA, US· patent location history
2005–2012Patents assigned to ADJUVANTS PLUS INC (3)· patent assignee history
2005–2012Based in Kitchener, CA· patent location history
2013–2014Patents assigned to PHILLIPS 66 CO (2)· patent assignee history
2013Patents assigned to ALLRED GREGORY C (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PAKO CORP | 5 | 1979–1982 |
| STEWART JAMES Fself | 4 | 1985–2013 |
| ADJUVANTS PLUS INC | 3 | 2005–2012 |
| PHILLIPS 66 CO | 2 | 2013–2014 |
| ALLRED GREGORY C | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kitchener, CA | 4 | 2005–2012 |
| Shoreview, Minnesota, US | 4 | 1978–1982 |
| Bartlesville, OK, US | 3 | 1988–2014 |
| Lancaster, California, US | 1 | 1994 |
| Clawson, MI, US | 1 | 1990 |