| NAME | PATENT NUMBER | DATE GRANTED |
| Gray | 165564 | 7-13-1875 |
| Lambert | 474838 | 5-17-1892 |
| Speer | 610159 | 8-30-1898 |
| Colbath | 844996 | 2-19-1907 |
| Durr | 890970 | 6-16-1908 |
| 965867 | 8-02-1910 | |
| 993516 | 5-30-1911 | |
| Stroud | 1004594 | 11-19-1912 |
| Krayer | 1051122 | 1- -1913 |
| Johnston | 1065370 | 6-24-1923 |
| Macey | 1103789 | 7-14-1914 |
| Schoomaker | 1121137 | 12-15-1914 |
| Heinz | 1150115 | 8-17-1915 |
| Stanley | 1177904 | 4-04-1916 |
| Schmidt | 1182714 | 5-09-1916 |
| Speirs | 1191097 | 7-11-1916 |
| Williams | 1195315 | 8-22-1916 |
| 1259898 | ||
| Campbell | 1273030 | 7-16-1918 |
| 1281961 | ||
| Schmid | 1325998 | 12-23-1918 |
| Heslewood | 1327205 | 1-06-1920 |
| Campbell | 1373426 | 10-11-1921 |
| Ball | 1392473 | 10-04-1921 |
| Croon | 1518572 | 12-09-1924 |
| Chapin | 1530882 | 3- -1925 |
| 1562670 | ||
| Hendricks | 1585094 | 5-18-1926 |
| Renard | 1610152 | 12-07-1926 |
| Ralston | 1679742 | 8-07-1928 |
| Allen | 1690962 | 11-06-1928 |
| Strong | 1711292 | 5-30-1929 |
| Sweeny | 1725111 | 6-20-1929 |
| Hutchinson | 1731135 | 10-08-1929 |
| Gildehaus | 1734723 | 11-05-1929 |
| Pogue | 1750354 | 3-11-1930 |
| Portail | 1752506 | 4-01-1930 |
| 1757920 | ||
| Fowler | 1763508 | 6-10-1930 |
| Hutchinson | 1763654 | 6-17-1930 |
| Clark | 1798065 | 3-24-1931 |
| 1809242 | ||
| 1820512 | 5-12-1932 | |
| Briggs | 1834766 | 12-01-1931 |
| 1841778 | ||
| DeFrance | 1858853 | 5-12-1932 |
| Pogue | 1938497 | 12-05-1933 |
| Heitger | 1941862 | 1-02-1934 |
| 1952281 | ||
| Meyer | 1968698 | 7-31-1934 |
| Godward | 1970169 | 8-14-1934 |
| Dobbs | 1972874 | 9-11-1934 |
| Pogue | 1.997497 | 4-09-1935 |
| Rickabaugh | 2000498 | 5-07-1935 |
| 2006676 | ||
| Rosler | 2014306 | 9-17-1935 |
| 2014396 | ||
| Myers | 2014907 | 9-17-1935 |
| Pogue | 2026798 | 1-07-1936 |
| Johnston | 2028333 | 1-21-1936 |
| Doyle | 3038031 | 4-21-1936 |
| 2040020 | ||
| Phillip | 2061043 | 11-17-1937 |
| Price | 2073649 | 3-16-1937 |
| Faverty | 2109743 | 3-01-1938 |
| Stubbs | 2116718 | 5-10-1938 |
| Newberry | 2218922 | 10-22-1940 |
| 2236595 | ||
| Lang | 2262013 | 11-11-1941 |
| Pickering | 2262904 | 11-18-1941 |
| Phillips | 2290893 | 7-28-1942 |
| Lang | 2310739 | 2-09-1943 |
| Crabtree | 2312151 | 2- -1943 |
| McLindon | 2314131 | 3-16-1943 |
| 2338044 | ||
| 2373032 | ||
| DeVries | 2384609 | 9-11-1945 |
| Rosenthall | 2453595 | 11-09-1948 |
| 2460528 | ||
| 2529665 | ||
| 2531661 | ||
| Green | 2650582 | 9-01-1953 |
| 2658489 | ||
| Featherson | 2702694 | 2-22-1955 |
| McPhearson | 2742886 | 4-24-1956 |
| 2761660 | ||
| Lucas | 2797072 | 6-25-1957 |
| 2801086 | ||
| Mengelkamp | 2821843 | 2-04-1958 |
| Anderson | 2879045 | 3-24-1959 |
| 2939775 | ||
| Shelton | 2982528 | 5-02-1961 |
| Dietrich | 3001519 | 9- -1961 |
| Smith | 3049850 | 8-21-1962 |
| 3067020 | ||
| 3081160 | ||
| 3171467 | ||
| Wentworth | 3221724 | 12- -1965 |
| 3227427 | ||
| Minoza | 3273983 | 9-20-1966 |
| 3279770 | ||
| Ruddle | 3285588 | 11-15-1966 |
| Rawles | 3286703 | 11-22-1966 |
| Schwartz | 3294381 | 12-27-1966 |
| Schultz | 3336734 | 8-22-1967 |
| Williams | 3338223 | 8-29-1967 |
| 3386710 | ||
| Walker | 3395681 | 8- -1968 |
| Kruger | 3411489 | 11-19-1968 |
| Meierbachtol | 3432281 | 3-11-1969 |
| Epifanio | 3433608 | 3-18-1969 |
| Trafford | 3447514 | 6-23-1969 |
| 3496919 | ||
| Baldwin | 3630698 | 12-28-1971 |
| Holzappfel | 3633533 | 1- -1972 |
| Low | 3640256 | 2- -1972 |
| Tucker | 3653643 | 4-04-1972 |
| Bodai | 3685808 | 8-22-1972 |
| Dwyre | 3713429 | 1-30-1973 |
| Herpin | 3716040 | 2- -1973 |
| Gorman | 3728092 | 4- -1973 |
| Richbaum | 3741180 | 6-26-1973 |
| 3747901 | ||
| 3749318 | ||
| Alm | 3749736 | 7- -1973 |
| Hollis | 3752134 | 8- -1973 |
| 3752451 | ||
| Buckton | 3759234 | 9- -1973 |
| Lindsay | 3763838 | 12-23-1973 |
| Alquist | 3763839 | |
| 3765382 | ||
| Kihn | 3817233 | 6-18-1974 |
| 3851021 | ||
| Shih | 3851633 | 12-01-1974 |
| Burden | 3854463 | 12- -1974 |
| Koch | 3855372 | 12-17-1974 |
| Chester | 3872849 | 3-25-1975 |
| Wooldridge | 3874353 | 4- -1975 |
| KrautWurst | 3884204 | |
| Mondt | 3888223 | 6- -1975 |
| Cole | 3892213 | |
| Brown | 3907946 | 9-23-1975 |
| Lee | 3911881 | 10- -1975 |
| Harrow | 3927651 | 1-13-1975 |
| Rose | 3931801 | 1- -1976 |
| Reimuller | 3945352 | 3-23-1976 |
| 3957029 | ||
| Harpman | 3968775 | 7- -1976 |
| 3987132 | ||
| Bubnaik | 3996906 | |
| Marsee | 3996907 | |
| Asfar | 3999526 | 12-28-1976 |
| Shinohara | 4008692 | 2-22-1977 |
| Leshner | 4015569 | 5-05-1977 |
| LaForce | 4020811 | 11-18-1974 |
| Fingeroot | 4022172 | 12-29-1975 |
| Alwins | 4031874 | 6-28-1977 |
| Tyler | 4031875 | 6-28-1977 |
| Hamberg | 4047512 | |
| Hamberg | 4085719 | |
| Vardi | 4085721 | |
| Barnecker | 4086893 | |
| Vrooman | 4092963 | 6-06-1978 |
| 4098236 | ||
| Chilton | 4100899 | 7-18-1978 |
| Bernecker | 4103658 | 8-01-1978 |
| 4108125 | ||
| 4108126 | ||
| Collins | 4130582 | 2-13-1979 |
| 4140094 | ||
| Little | 4147142 | 4-03-1979 |
| Wichman | 4151821 | 5-01-1979 |
| 4152653 | ||
| Giardini | 4161931 | 7- -1979 |
| Ogle | 4177779 | 12- -1979 |
| Stream | 4178897 | 12-18-1979 |
| 4181111 | ||
| Perepolkin | 4204485 | |
| 4213432 | ||
| 4249501 | ||
| Igashira | 4325344 | 4- -1982 |
| 4326491 | ||
| Hattori | 4345569 | |
| 4372280 | ||
| 4947512 |