Inventor William Augustus Merralls filed many patents. The list below is in order of the filing date, or, if that data is missing, the grant date. [Supplementary information for main article: https://sunnysidehistory.org/2016/06/25/w-a-merralls-inventor-and-entrepreneur-of-sunnyside/.]
- 1888: Gold-separator.
https://patents.google.com/patent/US391421A/
Priority • Filed • Granted 1888-10-23 - 1889: Method of and apparatus for extracting gold.
https://patents.google.com/patent/US412643A/
Priority • Filed • Granted 1889-10-08 - 1891: Settling and amalgamating pan for machinery for extracting.
https://patents.google.com/patent/US449552A/
Priority • Filed • Granted 1891-03-31 - 1891: Conveyer and separator-apron for mining machinery.
https://patents.google.com/patent/US449942A/en
Priority • Filing • Grant 1891-04-07 - 1893: Crushing or grinding mill.
https://patents.google.com/patent/US501433A/en
Priority • Filed • Granted 1893-07-11 - 1898: Mortar for stamp-batteries.
https://patents.google.com/patent/US637471A/
Priority 1898-08-26 • Filed 1898-08-26 Granted 1899-11-21 - 1899: Mortar for stamp-batteries.
https://patents.google.com/patent/US637472A/en
Priority 1899-07-07 • Filed 1899-07-07 • Granted 1899-11-21 - 1900: Mortar for stamp-batteries.
https://patents.google.com/patent/US659934A/en
Priority 1900-07-11 • Filed 1900-07-11 • Granted 1900-10-16 - 1900: Stamp-mill.
https://patents.google.com/patent/US756873A/en
Priority 1900-12-05 • Filed 1900-12-05 • Granted 1904-04-12 - 1901: Stamp-mill mortar.
https://patents.google.com/patent/US709104A/en
Priority 1901-09-20 • Filed 1901-09-20 • Granted 1902-09-16 - 1904: Multiple-stamp mortar.
https://patents.google.com/patent/US753089A/en
Priority • Filed • Granted 1904-02-23 - 1904: Stamp-mill.
https://patents.google.com/patent/US753602A/en
Priority • Filed • Granted 1904-03-01 - 1904: Edge-runner.
https://patents.google.com/patent/US774329A/en
Priority 1904-03-21 • Filed 1904-03-21 • Granted 1904-11-08 - 1905: Edge runner mill.
https://patents.google.com/patent/CA91626A/en
Priority 1905-01-03 Filing 1905-01-03 Grant 1905-02-21 - 1906: Rock breaker and pulverizer.
https://patents.google.com/patent/US827745A/en
Priority 1905-03-27 • Filed 1905-03-27 • Granted 1906-08-07 - 1907: Process of and apparatus for cyaniding.
https://patents.google.com/patent/CA104285A/en
Priority 1907-01-07 Filing 1907-01-07 Grant 1907-03-26 - 1907: Refrigerator.
https://patents.google.com/patent/US927571A/en
Priority 1907-07-29 • Filed 1907-07-29 • Granted 1909-07-13 - 1907: Vise.
https://patents.google.com/patent/US898413A/en
Priority 1907-10-03 • Filed 1907-10-03 • Granted 1908-09-08 - 1907: Air-cooling apparatus.
https://patents.google.com/patent/US923437A/en
Priority 1907-10-26 • Filed 1907-10-26 • Granted 1909-06-01 - 1908: Metallurgical apparatus.
https://patents.google.com/patent/US898415A/en
Priority 1908-07-29 • Filed 1908-07-29 • Granted 1908-09-08 - 1912: Engine-starter.
https://patents.google.com/patent/US1107687A/en
Priority • 1912-09-09 • Filing 1912-09-09 • Publication 1914-08-18 - 1912: Engine-starter.
https://patents.google.com/patent/CA144199A/en
Priority 1912-09-16 • Filing 1912-09-16 • Publication Grant date 1912-11-19