Inventor
Todd S. Grace
Inventor
Alpharetta, GA, US
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D21Cprimary
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials33%
B01DSeparation21%
D21DTreatment of the materials before passing to the paper-making machine10%
B07BSeparating solids from solids by sieving, screening, sifting or by using gas currents5%
B08BCleaning in general5%
B30BPresses in general5%
F16KValves5%
Y10TTechnical subjects covered by former us classification5%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture3%
C13BProduction of sucrose3%
PatentTitleYear
10,328,368Flat-face valve for pulp rotary drum vacuum washer filter20199,551,430'Flat-face valve for pulp rotary drum vacuum washer filter and method'20179,139,956'Method for adjusting inlet flow to a flash'20159,103,070'Flash tank with adjustable inlet'20158,926,795'Method for using washer press with multiple nips and multiple displacement wash zones'20158,828,189'Washer press with multiple nips and multiple displacement wash zones'20148,597,413'Scrubber with multiple venturis'20138,349,060'Scrubber with multiple venturis'20138,281,936'Vacuum washer drum having a center and end drains and method for draining'20128,181,888'Method to assemble wash liquid spray nozzles for a pulp mat'20127,981,248'Gas free valve for pulp vacuum washer and method'20117,780,815'Gas free valve for pulp vacuum washer and method'20107,708,207'Wash liquid spray nozzles for pulp mat and method to assemble nozzle'20107,678,283'High capacity and high efficiency filter deck assembly system and method of use and replacement'20107,575,658'Vacuum washer drum'20097,374,050'High capacity and high efficiency filter deck assembly'20087,347,916'Vacuum washer drum'20087,293,659'Drum structure for rotary drum filtering apparatus and methods of using same'20076,375,795'Minimization of malodorous gas release from a cellulose pulp mill feed system'20026,284,095'Minimization of malodorous gas release from a cellulose pulp mill feed system'20015,338,366'Acid pre-hydrolysis reactor system'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994Patents assigned to KAMYR INC (1)· patent assignee history
1994Based in Glens Falls, NY, US· patent location history
2001–2002Patents assigned to ANDRITZ AHLSTROM INC (2)· patent assignee history
2001–2002Based in Queensbury, NY, US· patent location history
2007–2019Patents assigned to ANDRITZ INC (18)· patent assignee history
2007–2019Based in Alpharetta, GA, US· patent location history
2012–2013Patents assigned to GRACE TODD S (3)· patent assignee history
2012Patents assigned to GORDY DAVID HOLLIS (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ANDRITZ INC | 18 | 2007–2019 |
| GRACE TODD Sself | 3 | 2012–2013 |
| ANDRITZ AHLSTROM INC | 2 | 2001–2002 |
| GORDY DAVID HOLLIS | 1 | 2012 |
| KAMYR INC | 1 | 1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Alpharetta, Georgia, US | 18 | 2007–2019 |
| Queensbury, New York, US | 2 | 2001–2002 |
| Glens Falls, New York, US | 1 | 1994 |