See this page for all things related to Merralls and the Sunnyside Conservatory.
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