PENN METAL COMPANY has a total of 21 patent applications. Its first patent ever was published in 1912. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets machine tools, machines and civil engineering are KALMAN STEEL COMPANY INC, CLARK NORRIS ELMORE and IND ORIGAMI LLC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 15 | |
#2 | Canada | 2 | |
#3 | Germany | 2 | |
#4 | Belgium | 1 | |
#5 | France | 1 |
# | Industry | |
---|---|---|
#1 | Machine tools | |
#2 | Machines | |
#3 | Civil engineering | |
#4 | Mechanical elements | |
#5 | Textiles and paper |
# | Technology | |
---|---|---|
#1 | Punching metal | |
#2 | Unspecified technologies | |
#3 | Finishing work on buildings | |
#4 | Structural elements | |
#5 | Pipes | |
#6 | Footwear manufacturing machines | |
#7 | Doors and windows | |
#8 | Clutches and brakes | |
#9 | Nails | |
#10 | General building constructions |
# | Name | Total Patents |
---|---|---|
#1 | Baker Herbert K | 7 |
#2 | Spinosa Arthur V | 2 |
#3 | Stovall Wilbur C Jr | 2 |
#4 | Dolan James P | 2 |
#5 | Redding Edward T | 2 |
#6 | Birkholz Richard G | 1 |
#7 | English Analdo M | 1 |
#8 | Barnett Levy | 1 |
#9 | Cummings Henry H | 1 |
#10 | Clevenger Clifton L | 1 |
Publication | Filing date | Title |
---|---|---|
US2098261A | Plaster base | |
US2011661A | Manufacture of brake shoe inserts | |
US1972179A | Apparatus for expanding metal laths | |
US1912681A | Apparatus for manufacture of expanded metal | |
US1889969A | Apparatus for slitting and forming metal sheets | |
US1918316A | Method of expanding metal lath | |
US1771167A | Culvert joint | |
US1856686A | Metal lath expander | |
US1890141A | Expanded metal lathing | |
US1723281A | Knockdown door frame | |
US1676517A | Expanded-metal machine | |
US1826286A | Expanded metal lath machine | |
US1762322A | Metal lath | |
US1110047A | Culvert. | |
US1070327A | Machine for attaching wires to metallic studs. | |
CA756797A | Retaining clip for construction panels with tear strips | |
CA668230A | Joined sheet metal structures |