Description
CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES (winders or rewinders for finished products, means for adjustment of wrinkles or lateral extensions B65H)
D21G
Technology
Stats
- 381 US PATENTS IN FORCE
- 140 US APPLICATIONS PENDING
- 218 Total Patent Owners
- 1,545 TOTAL INVENTORS
Subclasses
| Subclass | Title |
|---|---|
| 1/00 | Calenders (if restricted to the treatment of particular materials, see the relevant place, e.g. B29C 43/24, D06); Smoothing apparatus |
| 1/02 | Calenders (if restricted to the treatment of particular materials, see the relevant place, e.g. B29C 43/24, D06); Smoothing apparatus Rolls; Their bearings (in general F16C 13/00) |
| 3/00 | Doctors |
| 3/02 | Doctors for calenders |
| 3/04 | Doctors for drying cylinders |
| 5/00 | Safety devices |
| 7/00 | Damping devices |
| 9/00 | Other accessories for paper-making machines |
Recent Patents
Not Available
Recent Publications
Not Available
Top Owners in This Class
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Applications Filed in This Class - By Year
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 32 Months (last 2 years Issuances)
- 32 Months (last 5 years Issuances)