Search Results for: Electric soil heating apparatus
(class / ) with charging or pretreatment of batch material (e.g., gas heating, crushing, etc.)
(class / ) fiber making apparatus (class / ) with measuring, controlling, sensing, timing, inspecting, indicating, or testing means (class / ) with designated composition of dies, bushings, or nozzles (class / ) with means to form hollow fiber or preform (class / ) with specified bushing, tip, or feeder...
https://patents.justia.com/patents-by-us-classification/65