Inventor
Hans E. Grethlein
Inventor
Hanover, NH, US
Overview
10→
Patents
1980–2012
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation17%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture13%
C13KSaccharides obtained from natural sources or by hydrolysis of naturally occurring disaccharides, oligosaccharides or polysaccharides9%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications9%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for4%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
B30BPresses in general4%
C12MApparatus for enzymology or microbiology4%
PatentTitleYear
8,211,679'Process for producing ethanol'20126,143,534'Microbial process for producing methane from coal'20005,167,799'Apparatus for simulating a full scale belt filter press'19925,124,004'Distillation process for ethanol'19924,997,665'Dietary fibers and a process for their production'19914,961,826'Distillation process for ethanol'19904,818,295'Cyclone reactor'19894,626,321'Distillation systems and methods'19864,556,430'Process for hydrolysis of biomass'19854,237,226'Process for pretreating cellulosic substrates and for producing sugar therefrom'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1992Patents assigned to DARTMOUTH COLLEGE (5)· patent assignee history
1980–1990Based in Hanover, NH, US· patent location history
1991–1992Patents assigned to MICHIGAN BIOTECH INST (2)· patent assignee history
1991–1992Based in Okemos, MI, US· patent location history
2000Based in Lansing, MI, US· patent location history
2012Patents assigned to BAKER RICHARD W (1)· patent assignee history
2012Patents assigned to BASU RAHUL (1)· patent assignee history
2012Patents assigned to COSKATA INC (1)· patent assignee history
2012Based in Syracuse, NY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DARTMOUTH COLLEGE | 5 | 1980–1992 |
| MICHIGAN BIOTECH INST | 2 | 1991–1992 |
| BAKER RICHARD W | 1 | 2012 |
| BASU RAHUL | 1 | 2012 |
| COSKATA INC | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hanover, NH, US | 5 | 1980–1990 |
| Okemos, MI, US | 3 | 1991–1992 |
| Syracuse, New York, US | 1 | 2012 |
| Lansing, MI, US | 1 | 2000 |