Inventor
Francis L. Richter
Inventor
Lino Lakes, MN, US
Overview
Patents· 29 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 thereof24%
C11DDetergent compositions13%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations10%
A61LMethods or apparatus for sterilising materials or objects in general9%
A23BPreservation of foods, foodstuffs or non-alcoholic beverages8%
A61KPreparations for medical, dental or toiletry purposes6%
A23VIndexing scheme relating to foods, foodstuffs or non-alcoholic beverages and lactic or propionic acid bacteria used in foodstuffs or food preparation5%
C02FTreatment of water, waste water, sewage, or sludge5%
C09DCoating compositions, e.g. paints, varnishes or lacquers5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
10,342,231Method and composition for inhibition of microbial growth in aqueous food transport and process streams20199,247,738'Method and composition for inhibition of microbial growth in aqueous food transport and process streams'20168,124,132'Method and composition for inhibition of microbial growth in aqueous food transport and process streams'2012RE041279'Acidic aqueous chlorite teat dip with improved visual indicator stability, extended shelf life, sanitizing capacity and tissue protection'20107,150,884'Composition for inhibition of microbial growth'20067,109,241'Antimicrobial compositions formulated for use in cold temperature conditions and methods of use thereof'20067,056,536'Non-corrosive sterilant composition'20066,991,685'Low temperature cleaning'20066,953,507'Low temperature cleaning'20056,855,328'Antimicrobial and antiviral compositions containing an oxidizing species'20056,749,869'Acidic aqueous chlorite teat dip providing shelf life, sanitizing capacity and tissue protection'20046,699,510'Acidic aqueous chlorite teat dip with improved visual indicator stability, extended shelf life, sanitizing capacity and tissue protection'20046,627,657'Peroxycarboxylic acid compositions and methods of use against microbial spores'20036,589,565'Non-corrosive sterilant composition'20036,582,734'Antimicrobial composition useful for the treatment of bovine mastitis'20036,472,358'Acid sanitizing and cleaning compositions containing protonated carboxylic acids'20026,436,444'Acidic aqueous chlorite teat dip providing shelf life sanitizing capacity and tissue protection'20026,379,685'Acidic aqueous chlorite teat dip with improved emollient providing shelf life, sanitizing capacity and tissue protection'20026,326,032'Beverage manufacture and cold aseptic bottling using peroxyacid antimicrobial composition'20016,197,739'Proteolytic enzyme cleaner'20016,197,321'Drain treatment product and method of use'20015,858,117'Proteolytic enzyme cleaner'19995,622,708'Erodible sanitizing caulk'19975,436,008'Sanitizing compositions'19955,419,908'Sanitizing composition comprising a blend of aromatic and polyunsaturated carboxylic acids'19955,336,500'Sanitizing composition comprising a blend of aromatic and polyunsaturated carboxylic acid'19945,312,624'Drain treatment product and method of use'19945,234,719'Food additive sanitizing compositions'19935,019,346'Drain treatment product and method of use'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2010Patents assigned to ECOLAB INC (25)· patent assignee history
1991–2001Based in Circle Pines, MN, US· patent location history
2001–2006Based in Lino Lakes, MN, US· patent location history
2004Patents assigned to ECOLAB (1)· patent assignee history
2004–2019Based in Hugo, MN, US· patent location history
2012–2019Patents assigned to ECOLAB USA INC (3)· patent assignee history
2012–2016Patents assigned to GUTZMANN TIMOTHY A (2)· patent assignee history
2016Patents assigned to HANSON HEIDI M (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ECOLAB INC | 25 | 1991–2010 |
| ECOLAB USA INC | 3 | 2012–2019 |
| GUTZMANN TIMOTHY A | 2 | 2012–2016 |
| ECOLAB | 1 | 2004 |
| HANSON HEIDI M | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lino Lakes, Minnesota, US | 13 | 2001–2006 |
| Circle Pines, Minnesota, US | 10 | 1991–2001 |
| Hugo, Minnesota, US | 6 | 2004–2019 |