Combined extraction and feeding articulated conduit arm unit for gas
Latest AB Ph. Nederman & Co. Patents:
Description
FIG. 1 is a right side elevational view of the combined extraction and feeding articulated conduit arm unit for gas showing the new design;
FIG. 2 is a left side elevational view of the combined extraction and feeding articulated conduit arm unit for gas;
FIG. 3 is a rear elevational view of the combined extraction and feeding articulated conduit arm unit for gas;
FIG. 4 is a front elevational view of the combined extraction and feeding articulated conduit arm unit for gas;
FIG. 5 is a top plan view of the combined extraction and feeding articulated conduit arm unit for gas; and,
FIG. 6 is a bottom plan view of the combined extraction and feeding articulated conduit arm unit for gas.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
3820752 | June 1974 | Oram |
4682749 | July 28, 1987 | Strater |
4699046 | October 13, 1987 | Bellieni |
4860644 | August 29, 1989 | Kohl et al. |
2525930 | November 1983 | FRX |
3004392 | April 1989 | DEX |
- Nederman, "The Factory in Helsingborg, Sweden," Product Brochure, May 1, 1990.
Patent History
Patent number: D361836
Type: Grant
Filed: Feb 25, 1992
Date of Patent: Aug 29, 1995
Assignee: AB Ph. Nederman & Co. (Helsingborg)
Inventor: Hans T. Engstrom (Helsingborg)
Primary Examiner: Lisa P. Lichtenstein
Law Firm: Foley & Lardner
Application Number: 7/840,986
Type: Grant
Filed: Feb 25, 1992
Date of Patent: Aug 29, 1995
Assignee: AB Ph. Nederman & Co. (Helsingborg)
Inventor: Hans T. Engstrom (Helsingborg)
Primary Examiner: Lisa P. Lichtenstein
Law Firm: Foley & Lardner
Application Number: 7/840,986
Classifications
Current U.S. Class:
Flow Director (29) (D23/387)