28-Aug-1907
884603
AUTOMATIC STOKING DEVICE FOR FURNACES
2-Nov-1907
885635
AUTOMATIC STOKING DEVICE FOR FURNACES
23-Jan-1909
997206
UNDERFEED STOKER
8-Nov-1912
1103986
COMPRESSOR-PUMP
8-Nov-1912
1120220
REFRIGERATING APPARATUS (ELECTRIC REFRIGERATOR FOR APARTMENTS)
17-Jun-1916
1245011
SHEET METAL RADIATOR
23-Dec-1916
1302201
SHEET METAL RADIATOR
26-May-1917
1291600
HEADER FOR WATER TUBE BOILERS
12-Jan-1918
1293868
PROCESS OF MAKING HEADERS FOR WATER TUBE BOILERS
16-Dec-1919
1350832
CLOSURE FOR OPENINGS IN BOILER HEADERS
16-Dec-1919
1363153
CLOSURE FOR OPENINGS IN BOILER HEADERS
4-Feb-1920
1397325
STEAM OR HOT-WATER RADIATOR
28-Jan-1921
1579384
FORCED-DRAFT APPARATUS (GETS AIR FROM OUTSIDE)
31-May-1922
1791064
BOILER STRUCTURE
10-Jul-1922
1633674
BOILER
14-Mar-1923
1774150
BOILER WALL
20-Apr-1923
1729180
HOLLOW ARTICLE AND METHOD OF MAKING THE SAME (ASSIGNED TO METROPOLITAN ENGINEERING CO)
31-May-1923
1593984
BOILER STRUCTURE
31-May-1923
2042618
BOILER
31-May-1923
2248891
BOILER AND OTHER HEAT EXCHANGERS
31-May-1923
RE21745
BOILER
1-Jun-1923
1746711
BOILER AND THE LIKE
1-Jun-1923
RE18748
BOILER AND THE LIKE
13-Jun-1923
RE17185
HEAT EXCHANGER
9-Nov-1923
1923875
BOILER
4-Dec-1923
1953768
BOILER CONSTRUCTION
19-Mar-1924
1614314
COAL PULVERIZER AND BURNER
19-Mar-1924
1724505
BOILER OR HEATER
26-Apr-1924
1744078
RADIATOR
26-Apr-1924
RE19781
RADIATOR
1-May-1924
1715378
RADIATOR
8-May-1924
1838105
SUPERHEATER OR THE LIKE
23-May-1924
1844407
HEAT CONDUCTING TUBE
23-May-1924
2029437
HEAT CONDUCTING TUBE
29-May-1924
1702058
SUPERHEATER
29-May-1924
1799632
SUPERHEATER
6-Jun-1924
1596114
PRODUCTION OF LINED PIPE FITTINGS AND THE LIKE
13-Jun-1924
1993071
BOILER AND THE LIKE
13-Jun-1924
RE21772
BOILER AND THE LIKE
17-Jun-1924
1693043
HEATER
17-Jun-1924
1739767
DECEASED HEATER
18-Jun-1924
1746272
HEAT-CONDUCTING TUBE
18-Jun-1924
RE19782
HEAT CONDUCTING TUBE
19-Jul-1924
1679324
VALVE BONNET AND THE LIKE (VALVE CAP LIKE FOR OUTSIDE SPIGOT)
9-Sep-1924
1726711
RADIATOR
21-May-1925
1623746
FURNACE AND COOLING DEVICE
25-Jun-1925
1720090
BOILER
1-Jul-1925
1683046
BOILER
11-Jul-1925
1776080
RADIATOR
14-Jul-1925
1723573
RADIATOR
14-Jul-1925
1730472
BUILDING FLOORS WITH DUCTS
14-Jul-1925
1774810
BOILER
9-Oct-1925
1922599
BOILER CONSTRUCTION
9-Oct-1925
1993072
BOILER
9-Oct-1925
RE21649
BOILER
3-Nov-1925
1823117
FURNACE
1-Dec-1925
1776841
BURNER
1-Dec-1925
1799633
BOILER WALL
2-Feb-1926
1872167
BOILER
10-Feb-1926
1741726
AIR-CONDITIONING APPARATUS
12-Feb-1926
1696725
DRUM, PIPE, FITTING, ETC
12-May-1926
1686339
PUMP FOR REFRIGERANTS AND THE LIKE
13-May-1926
1719825
PUMP EOR REFRIGERANTS AND THE LIKE
14-May-1926
1686340
PUMP FOR REFRIGERANTS AND THE LIKE
14-May-1926
1702056
PUMP FOR REFRIGERANTS
17-Feb-1927
1731472
RADIATOR
23-Mar-1927
1709088
BOILER WALL
23-Mar-1927
1886214
BOILER
5-May-1927
1813123
RADIATOR
20-May-1927
2248890
BOILER
18-Jun-1927
1738014
GATE VALVE
19-Jul-1927
1864366
BOILER
21-Jul-1927
1930688
BOILER
10-Sep-1927
1951165
BOILER
19-Oct-1928
1775173
AIR HEATER (ASSIGNED TO METROPOLITAIN ENGINEERING CO)
9-Feb-1929
1890620
RADIATOR AND THE LIKE
17-Jul-1929
1929444
HEAT CONDUCTING ELEMENT
4-Feb-1930
1861448
RADIATOR
4-Feb-1930
1861449
RADIATOR
4-Feb-1930
1885536
RADIATOR
28-Dec-1934
2220579
METHOD OF MAKING BOILER TUBES AND THE LIKE