Inventor
Gregory T. Prellwitz
Inventor
Black Creek, WI, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B31Bprimary
B31BMaking containers of paper, cardboard or material worked in a manner analogous to paper21%
B29CShaping or joining of plastics18%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts18%
B29LIndexing scheme associated with subclass b29c, relating to particular articles18%
Y10TTechnical subjects covered by former us classification18%
B65BMachines, apparatus or devices for, or methods of, packaging articles or materials5%
PatentTitleYear
9,751,273'Method and apparatus for making bags'20179,434,106'Method and apparatus for making skirtless seals'20169,238,343'Method and apparatus for making bags'20168,998,787'Method and apparatus for a bag machine'20158,257,236'Method and apparatus for making bags'20128,029,428'Method and apparatus for making skirtless seals'20118,012,076'Method and apparatus for making bags'20117,445,590'Method and apparatus for making bags'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2017Patents assigned to CMD CORP (8)· patent assignee history
2008–2017Based in Black Creek, WI, US· patent location history
2012–2017Patents assigned to PRELLWITZ GREGORY T (5)· patent assignee history
2012–2017Patents assigned to SELLE PAUL A (5)· patent assignee history
2012–2017Patents assigned to JANSEN THOMAS C (3)· patent assignee history
2012–2017Patents assigned to JOHNSON ARVID R (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CMD CORP | 8 | 2008–2017 |
| PRELLWITZ GREGORY Tself | 5 | 2012–2017 |
| SELLE PAUL A | 5 | 2012–2017 |
| JANSEN THOMAS C | 3 | 2012–2017 |
| JOHNSON ARVID R | 3 | 2012–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Black Creek, WI, US | 8 | 2008–2017 |