Inventor
John J. Stephansky
Inventor
Oaks, PA, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F27Bprimary
F27BFurnaces, kilns, ovens or retorts in general23%
Y02PClimate change mitigation technologies in the production or processing of goods23%
E04BGeneral building constructions15%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace15%
B22DCasting of metals8%
C04BLime, magnesia8%
LOC258%
PatentTitleYear
RE045360'Rotary kiln heat exchanger and method of assembling same'2015RE044612'Rotary kiln heat exchanger and method of assembling same'2013D0598572'Refractory brick'2009D0591778'Refractory block'2009D0567829'Refractory block'20086,688,884'Rotary kiln heat exchanger and method of assembling same'20045,151,200'High aluminia tar-impregnated pressure pouring tubes'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992Patents assigned to DRESSER IND (1)· patent assignee history
1992–2015Based in Oaks, PA, US· patent location history
2004–2015Patents assigned to HARBISON WALKER REFRACTORIES (6)· patent assignee history
2013–2015Patents assigned to STEPHANSKY JOHN J (2)· patent assignee history
2013–2015Patents assigned to THIBAULT JOHN (2)· patent assignee history
2015Patents assigned to SMAROFF JACK (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HARBISON WALKER REFRACTORIES | 6 | 2004–2015 |
| STEPHANSKY JOHN Jself | 2 | 2013–2015 |
| THIBAULT JOHN | 2 | 2013–2015 |
| DRESSER IND | 1 | 1992 |
| SMAROFF JACK | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oaks, Pennsylvania, US | 7 | 1992–2015 |