🔎 UNIDENTIFIED Any thoughts about these items?

[smr1000]

I was so grateful for the help with identifying the old cast iron French door spring. Went back to the area the other day. Found a couple of things that I can't figure out. Also found a couple of early 1900s IHC, which I presume helps me with the age.
First item seems to be some sort of a stopper perhaps. Second item seems to be more utilitarian, as opposed to decorative, though may be heart shaped. Last item says 'Trademark.
C&H New York. Bayonet Lock Patents Pending.' As always, I'm thankful for the kindness of this group. I learn so much!

 

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[Limitool]

First item you called a "stopper" looks like a pull handle which a rope went in to start a small engine.

Last item appears to be some type of plumbing fixture....?

 

[ARC]

Barrel faucet part.... AKA Tap key.

 

[ARC]

 

[ARC]

 

[ticndig]

#2 looks like a trivet
#3 is a faucet of sorts

 

[smr1000]

Thanks for the input. #3 looks like a faucet or even part of hose, as was mentioned.
Do the inscribed words mean anything? Can't find this on Google

Trademark.
C&H New York.
Bayonet Lock
Patents Pending.'